diff --git a/src/widget/input.js b/src/widget/input.js
index 3f25f09fe8ba..8087791815d6 100644
--- a/src/widget/input.js
+++ b/src/widget/input.js
@@ -570,19 +570,32 @@ angularInputType('radio', function(inputElement) {
 
 function numericRegexpInputType(regexp, error) {
   return ['$element', function(inputElement) {
-    var widget = this,
-        min = 1 * (inputElement.attr('min') || Number.MIN_VALUE),
-        max = 1 * (inputElement.attr('max') || Number.MAX_VALUE);
+    var widget = this;
+    var modelScope = inputElement.scope();
+
+    watchElementProperty(modelScope, widget, 'min', inputElement);
+    watchElementProperty(modelScope, widget, 'max', inputElement);
 
     widget.$on('$validate', function(event){
       var value = widget.$viewValue,
           filled = value && trim(value) != '',
-          valid = isString(value) && value.match(regexp);
+          valid = !!(isString(value) && value.match(regexp)),
+          isInvalid = filled && !valid;
+      if (widget.$error[error] != isInvalid){
+        widget.$emit(isInvalid ? '$invalid' : '$valid', error);
+      }
 
-      widget.$emit(!filled || valid ? "$valid" : "$invalid", error);
       filled && (value = 1 * value);
-      widget.$emit(valid && value < min ? "$invalid" : "$valid", "MIN");
-      widget.$emit(valid && value > max ? "$invalid" : "$valid", "MAX");
+
+      var isToLow = filled && valid && widget.$min && trim(widget.$min) != '' && value < (1 * widget.$min),
+          isToHigh = filled && valid && widget.$max && trim(widget.$max) != '' && value > (1 * widget.$max);
+
+      if (widget.$error.MIN != isToLow){
+        widget.$emit(isToLow ? '$invalid' : '$valid', 'MIN');
+      }
+      if (widget.$error.MAX != isToHigh){
+        widget.$emit(isToHigh ? '$invalid' : '$valid', 'MAX');
+      }
     });
 
     widget.$parseView = function() {
diff --git a/test/widget/inputSpec.js b/test/widget/inputSpec.js
index dfbc506aaf6a..8b6db894eafa 100644
--- a/test/widget/inputSpec.js
+++ b/test/widget/inputSpec.js
@@ -572,16 +572,29 @@ describe('widget: input', function() {
 
 
     itShouldVerify('integer',
-        [null, '', '1', '12', '-4', '+13'],
+        [null, undefined, '', '1', '12', '-4', '+13'],
         ['x', '12b', '-6', '101', '1.', '1.2'],
         {min:-5, max:100});
 
 
     itShouldVerify('integer',
-        [null, '', '0', '1'],
+        [null, undefined, '', '0', '1'],
         ['-1', '2'],
         {min:0, max:1});
 
+    itShouldVerify('integer',
+        [],
+        [null, '', undefined],
+        {required:true});
+
+    itShouldVerify('integer',
+        [null, undefined, '', '0', '1'],
+        ['-2','2'],
+        {min: "{{min_value}}", max:"{{max_value}}"}, function(scope){
+          scope.min_value = "-1";
+          scope.max_value = "1";
+        });
+
 
     itShouldVerify('text with inlined pattern constraint',
         ['', '000-00-0000', '123-45-6789'],