12313508 has 12 divisors (see below), whose sum is σ = 22816332. Its totient is φ = 5794560.

The previous prime is 12313451. The next prime is 12313513. The reversal of 12313508 is 80531321.

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 8479744 = 1958^2 + 2912^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90473 + ... + 90608.

It is an arithmetic number, because the mean of its divisors is an integer number (1901361).

Almost surely, 2^12313508 is an apocalyptic number.

It is an amenable number.

12313508 is a deficient number, since it is larger than the sum of its proper divisors (10502824).

12313508 is a wasteful number, since it uses less digits than its factorization.

12313508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181102 (or 181100 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12313508 is about 3509.0608430177. The cubic root of 12313508 is about 230.9194949442.

Adding to 12313508 its reverse (80531321), we get a palindrome (92844829).

It can be divided in two parts, 12313 and 508, that added together give a palindrome (12821).

The spelling of 12313508 in words is "twelve million, three hundred thirteen thousand, five hundred eight".