12398413 has 2 divisors, whose sum is σ = 12398414. Its totient is φ = 12398412.

The previous prime is 12398381. The next prime is 12398429. The reversal of 12398413 is 31489321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12236004 + 162409 = 3498^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 12398413 - 2⁵ = 12398381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12398483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6199206 + 6199207.

It is an arithmetic number, because the mean of its divisors is an integer number (6199207).

Almost surely, 2^12398413 is an apocalyptic number.

It is an amenable number.

12398413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12398413 is an equidigital number, since it uses as much as digits as its factorization.

12398413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 12398413 is about 3521.1380262637. The cubic root of 12398413 is about 231.4490306957.

The spelling of 12398413 in words is "twelve million, three hundred ninety-eight thousand, four hundred thirteen".