13015265 has 16 divisors (see below), whose sum is σ = 16040640. Its totient is φ = 10134720.

The previous prime is 13015241. The next prime is 13015267. The reversal of 13015265 is 56251031.

It is not a de Polignac number, because 13015265 - 2²² = 8820961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13015265.

It is not an unprimeable number, because it can be changed into a prime (13015267) 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 15 ways as a sum of consecutive naturals, for example, 42242 + ... + 42548.

It is an arithmetic number, because the mean of its divisors is an integer number (1002540).

Almost surely, 2^13015265 is an apocalyptic number.

It is an amenable number.

13015265 is a deficient number, since it is larger than the sum of its proper divisors (3025375).

13015265 is a wasteful number, since it uses less digits than its factorization.

13015265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13015265 is about 3607.6675290276. The cubic root of 13015265 is about 235.2254664239.

Adding to 13015265 its reverse (56251031), we get a palindrome (69266296).

The spelling of 13015265 in words is "thirteen million, fifteen thousand, two hundred sixty-five".