12331316 has 12 divisors (see below), whose sum is σ = 21621600. Its totient is φ = 6153720.

The previous prime is 12331309. The next prime is 12331337. The reversal of 12331316 is 61313321.

It is a happy number.

It is a super-2 number, since 2×12331316² = 304122708583712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 2^12331316 is an apocalyptic number.

It is an amenable number.

12331316 is a deficient number, since it is larger than the sum of its proper divisors (9290284).

12331316 is a wasteful number, since it uses less digits than its factorization.

12331316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974 (or 5972 counting only the distinct ones).

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

The square root of 12331316 is about 3511.5973573290. The cubic root of 12331316 is about 231.0307611940.

Adding to 12331316 its reverse (61313321), we get a palindrome (73644637).

The spelling of 12331316 in words is "twelve million, three hundred thirty-one thousand, three hundred sixteen".