13012339 has 4 divisors (see below), whose sum is σ = 13030200. Its totient is φ = 12994480.

The previous prime is 13012333. The next prime is 13012367. The reversal of 13012339 is 93321031.

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 13012339 - 2¹⁹ = 12488051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012333) 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 3 ways as a sum of consecutive naturals, for example, 7789 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (3257550).

Almost surely, 2^13012339 is an apocalyptic number.

13012339 is a deficient number, since it is larger than the sum of its proper divisors (17861).

13012339 is an equidigital number, since it uses as much as digits as its factorization.

13012339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17860.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 13012339 is about 3607.2619810599. The cubic root of 13012339 is about 235.2078378599.

The spelling of 13012339 in words is "thirteen million, twelve thousand, three hundred thirty-nine".