12304439 has 16 divisors (see below), whose sum is σ = 14856000. Its totient is φ = 10174752.

The previous prime is 12304433. The next prime is 12304441. The reversal of 12304439 is 93440321.

It is not a de Polignac number, because 12304439 - 2²⁰ = 11255863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9329 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (928500).

Almost surely, 2^12304439 is an apocalyptic number.

12304439 is a deficient number, since it is larger than the sum of its proper divisors (2551561).

12304439 is an equidigital number, since it uses as much as digits as its factorization.

12304439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 12304439 is about 3507.7683788985. The cubic root of 12304439 is about 230.8627896510.

The spelling of 12304439 in words is "twelve million, three hundred four thousand, four hundred thirty-nine".