13579656 has 64 divisors (see below), whose sum is σ = 35640000. Its totient is φ = 4306176.

The previous prime is 13579649. The next prime is 13579667. The reversal of 13579656 is 65697531.

It is a happy number.

13579656 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 15 ways as a sum of consecutive naturals, for example, 75775 + ... + 75953.

It is an arithmetic number, because the mean of its divisors is an integer number (556875).

Almost surely, 2^13579656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13579656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17820000).

13579656 is an abundant number, since it is smaller than the sum of its proper divisors (22060344).

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

13579656 is a wasteful number, since it uses less digits than its factorization.

13579656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 322 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 13579656 is about 3685.0584798616. The cubic root of 13579656 is about 238.5775582928.

The spelling of 13579656 in words is "thirteen million, five hundred seventy-nine thousand, six hundred fifty-six".