13039816 has 16 divisors (see below), whose sum is σ = 25888140. Its totient is φ = 6136320.

The previous prime is 13039777. The next prime is 13039823. The reversal of 13039816 is 61893031.

13039816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10304100 + 2735716 = 3210^2 + 1654^2 .

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, 47805 + ... + 48076.

Almost surely, 2^13039816 is an apocalyptic number.

It is an amenable number.

13039816 is a deficient number, since it is larger than the sum of its proper divisors (12848324).

13039816 is a wasteful number, since it uses less digits than its factorization.

13039816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95904 (or 95900 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13039816 is about 3611.0685399200. The cubic root of 13039816 is about 235.3732772968.

The spelling of 13039816 in words is "thirteen million, thirty-nine thousand, eight hundred sixteen".