13252515 has 16 divisors (see below), whose sum is σ = 21348096. Its totient is φ = 7020000.

The previous prime is 13252489. The next prime is 13252529. The reversal of 13252515 is 51525231.

It is a happy number.

It is not a de Polignac number, because 13252515 - 2⁶ = 13252451 is a prime.

It is an unprimeable number.

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, 661 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (1334256).

Almost surely, 2^13252515 is an apocalyptic number.

13252515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13252515 is a deficient number, since it is larger than the sum of its proper divisors (8095581).

13252515 is a wasteful number, since it uses less digits than its factorization.

13252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its digits is 1500, while the sum is 24.

The square root of 13252515 is about 3640.4003900670. The cubic root of 13252515 is about 236.6461453696.

Adding to 13252515 its reverse (51525231), we get a palindrome (64777746).

The spelling of 13252515 in words is "thirteen million, two hundred fifty-two thousand, five hundred fifteen".