13255656 has 32 divisors (see below), whose sum is σ = 33230400. Its totient is φ = 4406400.

The previous prime is 13255651. The next prime is 13255661. The reversal of 13255656 is 65655231.

It is an interprime number because it is at equal distance from previous prime (13255651) and next prime (13255661).

It is not an unprimeable number, because it can be changed into a prime (13255651) 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 7 ways as a sum of consecutive naturals, for example, 13965 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (1038450).

Almost surely, 2^13255656 is an apocalyptic number.

It is an amenable number.

13255656 is an abundant number, since it is smaller than the sum of its proper divisors (19974744).

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

13255656 is a wasteful number, since it uses less digits than its factorization.

13255656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1525 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 13255656 is about 3640.8317730980. The cubic root of 13255656 is about 236.6648398545.

The spelling of 13255656 in words is "thirteen million, two hundred fifty-five thousand, six hundred fifty-six".