12313304 has 32 divisors (see below), whose sum is σ = 25116480. Its totient is φ = 5635584.

The previous prime is 12313297. The next prime is 12313309. The reversal of 12313304 is 40331321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (784890).

Almost surely, 2^12313304 is an apocalyptic number.

It is an amenable number.

12313304 is an abundant number, since it is smaller than the sum of its proper divisors (12803176).

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

12313304 is a wasteful number, since it uses less digits than its factorization.

12313304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12313304 is about 3509.0317752907. The cubic root of 12313304 is about 230.9182197095.

Adding to 12313304 its reverse (40331321), we get a palindrome (52644625).

The spelling of 12313304 in words is "twelve million, three hundred thirteen thousand, three hundred four".