12935239 has 2 divisors, whose sum is σ = 12935240. Its totient is φ = 12935238.

The previous prime is 12935203. The next prime is 12935281. The reversal of 12935239 is 93253921.

12935239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12935239 - 2²³ = 4546631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12935639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6467619 + 6467620.

It is an arithmetic number, because the mean of its divisors is an integer number (6467620).

Almost surely, 2^12935239 is an apocalyptic number.

12935239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12935239 is an equidigital number, since it uses as much as digits as its factorization.

12935239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 12935239 is about 3596.5593280245. The cubic root of 12935239 is about 234.7423704490.

The spelling of 12935239 in words is "twelve million, nine hundred thirty-five thousand, two hundred thirty-nine".