13152539 has 4 divisors (see below), whose sum is σ = 13458456. Its totient is φ = 12846624.

The previous prime is 13152511. The next prime is 13152563. The reversal of 13152539 is 93525131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13152539 - 2²⁰ = 12103963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13152599) 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 3 ways as a sum of consecutive naturals, for example, 152894 + ... + 152979.

It is an arithmetic number, because the mean of its divisors is an integer number (3364614).

Almost surely, 2^13152539 is an apocalyptic number.

13152539 is a deficient number, since it is larger than the sum of its proper divisors (305917).

13152539 is an equidigital number, since it uses as much as digits as its factorization.

13152539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305916.

The product of its digits is 4050, while the sum is 29.

The square root of 13152539 is about 3626.6429380351. The cubic root of 13152539 is about 236.0495622710.

The spelling of 13152539 in words is "thirteen million, one hundred fifty-two thousand, five hundred thirty-nine".