11664728 has 32 divisors (see below), whose sum is σ = 22852800. Its totient is φ = 5574912.

The previous prime is 11664707. The next prime is 11664733. The reversal of 11664728 is 82746611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31601 + ... + 31967.

It is an arithmetic number, because the mean of its divisors is an integer number (714150).

Almost surely, 2^11664728 is an apocalyptic number.

It is an amenable number.

11664728 is a deficient number, since it is larger than the sum of its proper divisors (11188072).

11664728 is a wasteful number, since it uses less digits than its factorization.

11664728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 535 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 11664728 is about 3415.3664517882. The cubic root of 11664728 is about 226.7905071058.

The spelling of 11664728 in words is "eleven million, six hundred sixty-four thousand, seven hundred twenty-eight".