13151656 has 16 divisors (see below), whose sum is σ = 28182240. Its totient is φ = 5636400.

The previous prime is 13151651. The next prime is 13151669. The reversal of 13151656 is 65615131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (13151651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 117370 + ... + 117481.

It is an arithmetic number, because the mean of its divisors is an integer number (1761390).

Almost surely, 2^13151656 is an apocalyptic number.

It is an amenable number.

13151656 is an abundant number, since it is smaller than the sum of its proper divisors (15030584).

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

13151656 is a wasteful number, since it uses less digits than its factorization.

13151656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234864 (or 234860 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 13151656 is about 3626.5211980630. The cubic root of 13151656 is about 236.0442797313.

Adding to 13151656 its reverse (65615131), we get a palindrome (78766787).

The spelling of 13151656 in words is "thirteen million, one hundred fifty-one thousand, six hundred fifty-six".