11604656 has 20 divisors (see below), whose sum is σ = 25696272. Its totient is φ = 4973376.

The previous prime is 11604653. The next prime is 11604661. The reversal of 11604656 is 65640611.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11604653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51695 + ... + 51918.

Almost surely, 2^11604656 is an apocalyptic number.

11604656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11604656 is an abundant number, since it is smaller than the sum of its proper divisors (14091616).

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

11604656 is a wasteful number, since it uses less digits than its factorization.

11604656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103628 (or 103622 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 11604656 is about 3406.5607289464. The cubic root of 11604656 is about 226.4005219182.

The spelling of 11604656 in words is "eleven million, six hundred four thousand, six hundred fifty-six".