12313199 has 4 divisors (see below), whose sum is σ = 12330864. Its totient is φ = 12295536.

The previous prime is 12313187. The next prime is 12313229. The reversal of 12313199 is 99131321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99131321 = 1721 ⋅57601.

It is a cyclic number.

It is not a de Polignac number, because 12313199 - 2⁸ = 12312943 is a prime.

It is a super-2 number, since 2×12313199² = 303229739227202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7742 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (3082716).

Almost surely, 2^12313199 is an apocalyptic number.

12313199 is a deficient number, since it is larger than the sum of its proper divisors (17665).

12313199 is an equidigital number, since it uses as much as digits as its factorization.

12313199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17664.

The product of its digits is 1458, while the sum is 29.

The square root of 12313199 is about 3509.0168138668. The cubic root of 12313199 is about 230.9175633332.

The spelling of 12313199 in words is "twelve million, three hundred thirteen thousand, one hundred ninety-nine".