11928656 has 20 divisors (see below), whose sum is σ = 24328800. Its totient is φ = 5650272.

The previous prime is 11928649. The next prime is 11928691. The reversal of 11928656 is 65682911.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 19316 + ... + 19923.

It is an arithmetic number, because the mean of its divisors is an integer number (1216440).

Almost surely, 2^11928656 is an apocalyptic number.

11928656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11928656 is an abundant number, since it is smaller than the sum of its proper divisors (12400144).

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

11928656 is a wasteful number, since it uses less digits than its factorization.

11928656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39266 (or 39260 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 11928656 is about 3453.7886443730. The cubic root of 11928656 is about 228.4882325194.

The spelling of 11928656 in words is "eleven million, nine hundred twenty-eight thousand, six hundred fifty-six".