11730928 has 20 divisors (see below), whose sum is σ = 24795288. Its totient is φ = 5332160.

The previous prime is 11730913. The next prime is 11730931. The reversal of 11730928 is 82903711.

It is a super-2 number, since 2×11730928² = 275229343482368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11730928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33151 + ... + 33502.

Almost surely, 2^11730928 is an apocalyptic number.

It is an amenable number.

11730928 is an abundant number, since it is smaller than the sum of its proper divisors (13064360).

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

11730928 is a wasteful number, since it uses less digits than its factorization.

11730928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66672 (or 66666 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11730928 is about 3425.0442332910. The cubic root of 11730928 is about 227.2187273792.

The spelling of 11730928 in words is "eleven million, seven hundred thirty thousand, nine hundred twenty-eight".