13901568 has 72 divisors (see below), whose sum is σ = 38656128. Its totient is φ = 4426752.

The previous prime is 13901567. The next prime is 13901579. The reversal of 13901568 is 86510931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13901567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17271 + ... + 18057.

Almost surely, 2^13901568 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 13901568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19328064).

13901568 is an abundant number, since it is smaller than the sum of its proper divisors (24754560).

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

13901568 is an equidigital number, since it uses as much as digits as its factorization.

13901568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13901568 is about 3728.4806557095. The cubic root of 13901568 is about 240.4480519079.

The spelling of 13901568 in words is "thirteen million, nine hundred one thousand, five hundred sixty-eight".