12656368 has 20 divisors (see below), whose sum is σ = 25185640. Its totient is φ = 6156864.

The previous prime is 12656363. The next prime is 12656377. The reversal of 12656368 is 86365621.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10098 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (1259282).

Almost surely, 2^12656368 is an apocalyptic number.

It is an amenable number.

12656368 is a deficient number, since it is larger than the sum of its proper divisors (12529272).

12656368 is a wasteful number, since it uses less digits than its factorization.

12656368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21424 (or 21418 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 12656368 is about 3557.5789520403. The cubic root of 12656368 is about 233.0431621980.

The spelling of 12656368 in words is "twelve million, six hundred fifty-six thousand, three hundred sixty-eight".