12465239 has 2 divisors, whose sum is σ = 12465240. Its totient is φ = 12465238.

The previous prime is 12465221. The next prime is 12465253. The reversal of 12465239 is 93256421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12465239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12465209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6232619 + 6232620.

It is an arithmetic number, because the mean of its divisors is an integer number (6232620).

Almost surely, 2^12465239 is an apocalyptic number.

12465239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12465239 is an equidigital number, since it uses as much as digits as its factorization.

12465239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 12465239 is about 3530.6145357430. The cubic root of 12465239 is about 231.8641135973.

The spelling of 12465239 in words is "twelve million, four hundred sixty-five thousand, two hundred thirty-nine".