12407399 has 16 divisors (see below), whose sum is σ = 13996800. Its totient is φ = 10929024.

The previous prime is 12407393. The next prime is 12407407. The reversal of 12407399 is 99370421.

It is a cyclic number.

It is not a de Polignac number, because 12407399 - 2⁴ = 12407383 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 (12407393) 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, 34382 + ... + 34740.

It is an arithmetic number, because the mean of its divisors is an integer number (874800).

Almost surely, 2^12407399 is an apocalyptic number.

12407399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12407399 is a deficient number, since it is larger than the sum of its proper divisors (1589401).

12407399 is a wasteful number, since it uses less digits than its factorization.

12407399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12407399 is about 3522.4138030618. The cubic root of 12407399 is about 231.5049329776.

The spelling of 12407399 in words is "twelve million, four hundred seven thousand, three hundred ninety-nine".