12313187 has 2 divisors, whose sum is σ = 12313188. Its totient is φ = 12313186.

The previous prime is 12313181. The next prime is 12313229. The reversal of 12313187 is 78131321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12313187 - 2¹⁴ = 12296803 is a prime.

It is a super-2 number, since 2×12313187² = 303229148193938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12313181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156593 + 6156594.

It is an arithmetic number, because the mean of its divisors is an integer number (6156594).

Almost surely, 2^12313187 is an apocalyptic number.

12313187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313187 is an equidigital number, since it uses as much as digits as its factorization.

12313187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 12313187 is about 3509.0151039857. The cubic root of 12313187 is about 230.9174883185.

The spelling of 12313187 in words is "twelve million, three hundred thirteen thousand, one hundred eighty-seven".