12313166 has 4 divisors (see below), whose sum is σ = 18469752. Its totient is φ = 6156582.

The previous prime is 12313157. The next prime is 12313181. The reversal of 12313166 is 66131321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66131321 = 37 ⋅1787333.

It is a super-2 number, since 2×12313166² = 303228113887112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078290 + ... + 3078293.

It is an arithmetic number, because the mean of its divisors is an integer number (4617438).

Almost surely, 2^12313166 is an apocalyptic number.

12313166 is a deficient number, since it is larger than the sum of its proper divisors (6156586).

12313166 is an equidigital number, since it uses as much as digits as its factorization.

12313166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156585.

The product of its digits is 648, while the sum is 23.

The square root of 12313166 is about 3509.0121116918. The cubic root of 12313166 is about 230.9173570427.

Adding to 12313166 its reverse (66131321), we get a palindrome (78444487).

The spelling of 12313166 in words is "twelve million, three hundred thirteen thousand, one hundred sixty-six".