13256616 has 32 divisors (see below), whose sum is σ = 33240960. Its totient is φ = 4405632.

The previous prime is 13256597. The next prime is 13256647. The reversal of 13256616 is 61665231.

It is an unprimeable number.

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, 10516 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (1038780).

Almost surely, 2^13256616 is an apocalyptic number.

It is an amenable number.

13256616 is an abundant number, since it is smaller than the sum of its proper divisors (19984344).

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

13256616 is a wasteful number, since it uses less digits than its factorization.

13256616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1661 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 13256616 is about 3640.9636087168. The cubic root of 13256616 is about 236.6705529570.

The spelling of 13256616 in words is "thirteen million, two hundred fifty-six thousand, six hundred sixteen".