12631317 has 8 divisors (see below), whose sum is σ = 16882560. Its totient is φ = 8400480.

The previous prime is 12631303. The next prime is 12631337. The reversal of 12631317 is 71313621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12631317 - 2¹⁶ = 12565781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3592 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (2110320).

Almost surely, 2^12631317 is an apocalyptic number.

It is an amenable number.

12631317 is a deficient number, since it is larger than the sum of its proper divisors (4251243).

12631317 is an equidigital number, since it uses as much as digits as its factorization.

12631317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203.

The product of its digits is 756, while the sum is 24.

The square root of 12631317 is about 3554.0564148589. The cubic root of 12631317 is about 232.8893049927.

Adding to 12631317 its reverse (71313621), we get a palindrome (83944938).

The spelling of 12631317 in words is "twelve million, six hundred thirty-one thousand, three hundred seventeen".