13117599 has 32 divisors (see below), whose sum is σ = 21945600. Its totient is φ = 7670880.

The previous prime is 13117579. The next prime is 13117661. The reversal of 13117599 is 99571131.

It is not a de Polignac number, because 13117599 - 2⁷ = 13117471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7852 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (685800).

Almost surely, 2^13117599 is an apocalyptic number.

13117599 is a deficient number, since it is larger than the sum of its proper divisors (8828001).

13117599 is a wasteful number, since it uses less digits than its factorization.

13117599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1566 counting only the distinct ones).

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

The square root of 13117599 is about 3621.8226074727. The cubic root of 13117599 is about 235.8403533422.

The spelling of 13117599 in words is "thirteen million, one hundred seventeen thousand, five hundred ninety-nine".