12339399 has 16 divisors (see below), whose sum is σ = 17498592. Its totient is φ = 7707648.

The previous prime is 12339377. The next prime is 12339403. The reversal of 12339399 is 99393321.

12339399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12339399 - 2⁸ = 12339143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12339329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15577 + ... + 16349.

It is an arithmetic number, because the mean of its divisors is an integer number (1093662).

Almost surely, 2^12339399 is an apocalyptic number.

12339399 is the 1878-th nonagonal number.

12339399 is a deficient number, since it is larger than the sum of its proper divisors (5159193).

12339399 is a wasteful number, since it uses less digits than its factorization.

12339399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its digits is 39366, while the sum is 39.

The square root of 12339399 is about 3512.7480695319. The cubic root of 12339399 is about 231.0812292805.

The spelling of 12339399 in words is "twelve million, three hundred thirty-nine thousand, three hundred ninety-nine".