13523956 has 12 divisors (see below), whose sum is σ = 23766820. Its totient is φ = 6733440.

The previous prime is 13523933. The next prime is 13523969. The reversal of 13523956 is 65932531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4343056 + 9180900 = 2084^2 + 3030^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051 + ... + 7978.

Almost surely, 2^13523956 is an apocalyptic number.

It is an amenable number.

13523956 is a deficient number, since it is larger than the sum of its proper divisors (10242864).

13523956 is a wasteful number, since it uses less digits than its factorization.

13523956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274 (or 14272 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 13523956 is about 3677.4931679066. The cubic root of 13523956 is about 238.2509181955.

The spelling of 13523956 in words is "thirteen million, five hundred twenty-three thousand, nine hundred fifty-six".