13368656 has 20 divisors (see below), whose sum is σ = 29602272. Its totient is φ = 5729376.

The previous prime is 13368653. The next prime is 13368659. The reversal of 13368656 is 65686331.

It is an interprime number because it is at equal distance from previous prime (13368653) and next prime (13368659).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368653) 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, 59570 + ... + 59793.

Almost surely, 2^13368656 is an apocalyptic number.

13368656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13368656 is an abundant number, since it is smaller than the sum of its proper divisors (16233616).

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

13368656 is a wasteful number, since it uses less digits than its factorization.

13368656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119378 (or 119372 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 13368656 is about 3656.3172728854. The cubic root of 13368656 is about 237.3354339193.

The spelling of 13368656 in words is "thirteen million, three hundred sixty-eight thousand, six hundred fifty-six".