13397616 has 40 divisors (see below), whose sum is σ = 38457360. Its totient is φ = 4465728.

The previous prime is 13397609. The next prime is 13397621. The reversal of 13397616 is 61679331.

13397616 = T₃₂₃ + T₃₂₄ + ... + T₄₈₄.

13397616 is a `hidden beast` number, since 1 + 3 + 39 + 7 + 616 = 666.

13397616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13397616² = 358992228966912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15075 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (961434).

Almost surely, 2^13397616 is an apocalyptic number.

13397616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13397616 is an abundant number, since it is smaller than the sum of its proper divisors (25059744).

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

13397616 is a wasteful number, since it uses less digits than its factorization.

13397616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31030 (or 31018 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 13397616 is about 3660.2753994747. The cubic root of 13397616 is about 237.5066871617.

The spelling of 13397616 in words is "thirteen million, three hundred ninety-seven thousand, six hundred sixteen".