13112656 has 20 divisors (see below), whose sum is σ = 25470592. Its totient is φ = 6539616.

The previous prime is 13112651. The next prime is 13112711. The reversal of 13112656 is 65621131.

It is a self number, because there is not a number n which added to its sum of digits gives 13112656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7585 + ... + 9151.

Almost surely, 2^13112656 is an apocalyptic number.

13112656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13112656 is a deficient number, since it is larger than the sum of its proper divisors (12357936).

13112656 is a wasteful number, since it uses less digits than its factorization.

13112656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098 (or 2092 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 13112656 is about 3621.1401519411. The cubic root of 13112656 is about 235.8107263419.

Adding to 13112656 its reverse (65621131), we get a palindrome (78733787).

The spelling of 13112656 in words is "thirteen million, one hundred twelve thousand, six hundred fifty-six".