12152439 has 12 divisors (see below), whose sum is σ = 18903976. Its totient is φ = 7478352.

The previous prime is 12152417. The next prime is 12152443. The reversal of 12152439 is 93425121.

It is not a de Polignac number, because 12152439 - 2⁹ = 12151927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51817 + ... + 52050.

Almost surely, 2^12152439 is an apocalyptic number.

12152439 is a deficient number, since it is larger than the sum of its proper divisors (6751537).

12152439 is a wasteful number, since it uses less digits than its factorization.

12152439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103886 (or 103883 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12152439 is about 3486.0348535263. The cubic root of 12152439 is about 229.9082116412.

The spelling of 12152439 in words is "twelve million, one hundred fifty-two thousand, four hundred thirty-nine".