13391315 has 16 divisors (see below), whose sum is σ = 18489792. Its totient is φ = 9120384.

The previous prime is 13391311. The next prime is 13391321. The reversal of 13391315 is 51319331.

It is not a de Polignac number, because 13391315 - 2² = 13391311 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (13391311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4277 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (1155612).

Almost surely, 2^13391315 is an apocalyptic number.

13391315 is a deficient number, since it is larger than the sum of its proper divisors (5098477).

13391315 is a wasteful number, since it uses less digits than its factorization.

13391315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606.

The product of its digits is 1215, while the sum is 26.

The square root of 13391315 is about 3659.4145706656. The cubic root of 13391315 is about 237.4694475934.

The spelling of 13391315 in words is "thirteen million, three hundred ninety-one thousand, three hundred fifteen".