13159085 has 4 divisors (see below), whose sum is σ = 15790908. Its totient is φ = 10527264.

The previous prime is 13159063. The next prime is 13159093. The reversal of 13159085 is 58095131.

13159085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7038409 + 6120676 = 2653^2 + 2474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13159085 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1315904 + ... + 1315913.

It is an arithmetic number, because the mean of its divisors is an integer number (3947727).

Almost surely, 2^13159085 is an apocalyptic number.

It is an amenable number.

13159085 is a deficient number, since it is larger than the sum of its proper divisors (2631823).

13159085 is an equidigital number, since it uses as much as digits as its factorization.

13159085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631822.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 13159085 is about 3627.5453132938. The cubic root of 13159085 is about 236.0887162868.

The spelling of 13159085 in words is "thirteen million, one hundred fifty-nine thousand, eighty-five".