12313999 has 2 divisors, whose sum is σ = 12314000. Its totient is φ = 12313998.

The previous prime is 12313937. The next prime is 12314011. The reversal of 12313999 is 99931321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12313999 - 2¹¹ = 12311951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156999 + 6157000.

It is an arithmetic number, because the mean of its divisors is an integer number (6157000).

Almost surely, 2^12313999 is an apocalyptic number.

12313999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313999 is an equidigital number, since it uses as much as digits as its factorization.

12313999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 37.

The square root of 12313999 is about 3509.1308040596. The cubic root of 12313999 is about 230.9225642012.

Adding to 12313999 its product of digits (13122), we get a square (12327121 = 3511²).

The spelling of 12313999 in words is "twelve million, three hundred thirteen thousand, nine hundred ninety-nine".