12393399 has 8 divisors (see below), whose sum is σ = 16695280. Its totient is φ = 8176896.

The previous prime is 12393371. The next prime is 12393401. The reversal of 12393399 is 99339321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12393399 - 2¹⁵ = 12360631 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 (12393299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21004 + ... + 21585.

It is an arithmetic number, because the mean of its divisors is an integer number (2086910).

Almost surely, 2^12393399 is an apocalyptic number.

12393399 is a deficient number, since it is larger than the sum of its proper divisors (4301881).

12393399 is an equidigital number, since it uses as much as digits as its factorization.

12393399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42689.

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

The square root of 12393399 is about 3520.4259685441. The cubic root of 12393399 is about 231.4178266508.

The spelling of 12393399 in words is "twelve million, three hundred ninety-three thousand, three hundred ninety-nine".