13600056 has 32 divisors (see below), whose sum is σ = 34156800. Its totient is φ = 4512480.

The previous prime is 13600019. The next prime is 13600063. The reversal of 13600056 is 65000631.

13600056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4551 + ... + 6921.

It is an arithmetic number, because the mean of its divisors is an integer number (1067400).

Almost surely, 2^13600056 is an apocalyptic number.

It is an amenable number.

13600056 is an abundant number, since it is smaller than the sum of its proper divisors (20556744).

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

13600056 is a wasteful number, since it uses less digits than its factorization.

13600056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13600056 is about 3687.8253754754. The cubic root of 13600056 is about 238.6969660079.

Adding to 13600056 its reverse (65000631), we get a palindrome (78600687).

The spelling of 13600056 in words is "thirteen million, six hundred thousand, fifty-six".