13399916 has 12 divisors (see below), whose sum is σ = 23491440. Its totient is φ = 6688080.

The previous prime is 13399889. The next prime is 13399949. The reversal of 13399916 is 61999331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 5178.

It is an arithmetic number, because the mean of its divisors is an integer number (1957620).

Almost surely, 2^13399916 is an apocalyptic number.

It is an amenable number.

13399916 is a deficient number, since it is larger than the sum of its proper divisors (10091524).

13399916 is a wasteful number, since it uses less digits than its factorization.

13399916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944 (or 5942 counting only the distinct ones).

The product of its digits is 39366, while the sum is 41.

The square root of 13399916 is about 3660.5895700010. The cubic root of 13399916 is about 237.5202774931.

The spelling of 13399916 in words is "thirteen million, three hundred ninety-nine thousand, nine hundred sixteen".