13115799 has 12 divisors (see below), whose sum is σ = 19000696. Its totient is φ = 8718192.

The previous prime is 13115783. The next prime is 13115813. The reversal of 13115799 is 99751131.

It is not a de Polignac number, because 13115799 - 2⁴ = 13115783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404 + ... + 5310.

Almost surely, 2^13115799 is an apocalyptic number.

13115799 is a deficient number, since it is larger than the sum of its proper divisors (5884897).

13115799 is a wasteful number, since it uses less digits than its factorization.

13115799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286 (or 4283 counting only the distinct ones).

The product of its digits is 8505, while the sum is 36.

The square root of 13115799 is about 3621.5741052752. The cubic root of 13115799 is about 235.8295654926.

The spelling of 13115799 in words is "thirteen million, one hundred fifteen thousand, seven hundred ninety-nine".