13089515 has 8 divisors (see below), whose sum is σ = 15897168. Its totient is φ = 10345120.

The previous prime is 13089493. The next prime is 13089521. The reversal of 13089515 is 51598031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13089515 - 2⁶ = 13089451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15356 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (1987146).

Almost surely, 2^13089515 is an apocalyptic number.

13089515 is a deficient number, since it is larger than the sum of its proper divisors (2807653).

13089515 is an equidigital number, since it uses as much as digits as its factorization.

13089515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31629.

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

The square root of 13089515 is about 3617.9434766176. The cubic root of 13089515 is about 235.6719263600.

The spelling of 13089515 in words is "thirteen million, eighty-nine thousand, five hundred fifteen".