12413239 has 2 divisors, whose sum is σ = 12413240. Its totient is φ = 12413238.

The previous prime is 12413227. The next prime is 12413243. The reversal of 12413239 is 93231421.

It is a strong prime.

It is an emirp because it is prime and its reverse (93231421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12413239 - 2⁵ = 12413207 is a prime.

It is a super-2 number, since 2×12413239² = 308177004942242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12413209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206619 + 6206620.

It is an arithmetic number, because the mean of its divisors is an integer number (6206620).

Almost surely, 2^12413239 is an apocalyptic number.

12413239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413239 is an equidigital number, since it uses as much as digits as its factorization.

12413239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 12413239 is about 3523.2426825298. The cubic root of 12413239 is about 231.5412493923.

The spelling of 12413239 in words is "twelve million, four hundred thirteen thousand, two hundred thirty-nine".