11407728 has 40 divisors (see below), whose sum is σ = 30160768. Its totient is φ = 3713472.

The previous prime is 11407723. The next prime is 11407741. The reversal of 11407728 is 82770411.

It is a junction number, because it is equal to n+sod(n) for n = 11407695 and 11407704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11407723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700 + ... + 4827.

Almost surely, 2^11407728 is an apocalyptic number.

It is an amenable number.

11407728 is an abundant number, since it is smaller than the sum of its proper divisors (18753040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11407728 is a wasteful number, since it uses less digits than its factorization.

11407728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581 (or 5575 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 11407728 is about 3377.5328273756. The cubic root of 11407728 is about 225.1125560302.

The spelling of 11407728 in words is "eleven million, four hundred seven thousand, seven hundred twenty-eight".