13152515 has 16 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 9985920.

The previous prime is 13152511. The next prime is 13152563. The reversal of 13152515 is 51525131.

It is a happy number.

It is not a de Polignac number, because 13152515 - 2² = 13152511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13152511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8102 + ... + 9588.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^13152515 is an apocalyptic number.

13152515 is a deficient number, since it is larger than the sum of its proper divisors (3453565).

13152515 is a wasteful number, since it uses less digits than its factorization.

13152515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its digits is 750, while the sum is 23.

The square root of 13152515 is about 3626.6396291884. The cubic root of 13152515 is about 236.0494186943.

Adding to 13152515 its reverse (51525131), we get a palindrome (64677646).

The spelling of 13152515 in words is "thirteen million, one hundred fifty-two thousand, five hundred fifteen".