13568568 has 64 divisors (see below), whose sum is σ = 36896160. Its totient is φ = 4133376.

The previous prime is 13568543. The next prime is 13568573. The reversal of 13568568 is 86586531.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48846 + ... + 49122.

Almost surely, 2^13568568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13568568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18448080).

13568568 is an abundant number, since it is smaller than the sum of its proper divisors (23327592).

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

13568568 is a wasteful number, since it uses less digits than its factorization.

13568568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 13568568 is about 3683.5537188970. The cubic root of 13568568 is about 238.5126065178.

The spelling of 13568568 in words is "thirteen million, five hundred sixty-eight thousand, five hundred sixty-eight".