12313566 has 32 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 4008312.

The previous prime is 12313549. The next prime is 12313573. The reversal of 12313566 is 66531321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (875160).

Almost surely, 2^12313566 is an apocalyptic number.

12313566 is an abundant number, since it is smaller than the sum of its proper divisors (15691554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313566 is a wasteful number, since it uses less digits than its factorization.

12313566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5351 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 12313566 is about 3509.0691073275. The cubic root of 12313566 is about 230.9198575083.

Adding to 12313566 its reverse (66531321), we get a palindrome (78844887).

It can be divided in two parts, 123135 and 66, that added together give a square (123201 = 351²).

The spelling of 12313566 in words is "twelve million, three hundred thirteen thousand, five hundred sixty-six".