12313316 has 6 divisors (see below), whose sum is σ = 21548310. Its totient is φ = 6156656.

The previous prime is 12313309. The next prime is 12313319. The reversal of 12313316 is 61331321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 3786916 = 2920^2 + 1946^2 .

It is not an unprimeable number, because it can be changed into a prime (12313319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539161 + ... + 1539168.

It is an arithmetic number, because the mean of its divisors is an integer number (3591385).

It is a self-describing number.

Almost surely, 2^12313316 is an apocalyptic number.

It is an amenable number.

12313316 is a deficient number, since it is larger than the sum of its proper divisors (9234994).

12313316 is a wasteful number, since it uses less digits than its factorization.

12313316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078333 (or 3078331 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 12313316 is about 3509.0334851637. The cubic root of 12313316 is about 230.9182947237.

Adding to 12313316 its reverse (61331321), we get a palindrome (73644637).

The spelling of 12313316 in words is "twelve million, three hundred thirteen thousand, three hundred sixteen".