12368439 has 6 divisors (see below), whose sum is σ = 17865536. Its totient is φ = 8245620.

The previous prime is 12368437. The next prime is 12368441. The reversal of 12368439 is 93486321.

12368439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12368437) and next prime (12368441).

It is not a de Polignac number, because 12368439 - 2¹ = 12368437 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 (12368437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687127 + ... + 687144.

Almost surely, 2^12368439 is an apocalyptic number.

12368439 is a deficient number, since it is larger than the sum of its proper divisors (5497097).

12368439 is a wasteful number, since it uses less digits than its factorization.

12368439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374277 (or 1374274 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12368439 is about 3516.8791562975. The cubic root of 12368439 is about 231.2623656402.

The spelling of 12368439 in words is "twelve million, three hundred sixty-eight thousand, four hundred thirty-nine".