12513339 has 8 divisors (see below), whose sum is σ = 18538320. Its totient is φ = 8342208.

The previous prime is 12513331. The next prime is 12513341. The reversal of 12513339 is 93331521.

It is a happy number.

It is not a de Polignac number, because 12513339 - 2³ = 12513331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 463457 = 12513339 / (1 + 2 + 5 + 1 + 3 + 3 + 3 + 9).

It is not an unprimeable number, because it can be changed into a prime (12513331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231702 + ... + 231755.

It is an arithmetic number, because the mean of its divisors is an integer number (2317290).

Almost surely, 2^12513339 is an apocalyptic number.

12513339 is a deficient number, since it is larger than the sum of its proper divisors (6024981).

12513339 is an equidigital number, since it uses as much as digits as its factorization.

12513339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463466 (or 463460 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 12513339 is about 3537.4198224129. The cubic root of 12513339 is about 232.1619645383.

The spelling of 12513339 in words is "twelve million, five hundred thirteen thousand, three hundred thirty-nine".