13497156 has 36 divisors (see below), whose sum is σ = 35043372. Its totient is φ = 4377024.

The previous prime is 13497149. The next prime is 13497181. The reversal of 13497156 is 65179431.

13497156 is a `hidden beast` number, since 13 + 497 + 156 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11492100 + 2005056 = 3390^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13497156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3735 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (973427).

Almost surely, 2^13497156 is an apocalyptic number.

It is an amenable number.

13497156 is an abundant number, since it is smaller than the sum of its proper divisors (21546216).

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

13497156 is a wasteful number, since it uses less digits than its factorization.

13497156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180 (or 10175 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 13497156 is about 3673.8475744102. The cubic root of 13497156 is about 238.0934359965.

The spelling of 13497156 in words is "thirteen million, four hundred ninety-seven thousand, one hundred fifty-six".