12667317 has 16 divisors (see below), whose sum is σ = 18258240. Its totient is φ = 7765632.

The previous prime is 12667301. The next prime is 12667331. The reversal of 12667317 is 71376621.

It is not a de Polignac number, because 12667317 - 2⁴ = 12667301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12667337) 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 15 ways as a sum of consecutive naturals, for example, 14353 + ... + 15209.

It is an arithmetic number, because the mean of its divisors is an integer number (1141140).

Almost surely, 2^12667317 is an apocalyptic number.

It is an amenable number.

12667317 is a deficient number, since it is larger than the sum of its proper divisors (5590923).

12667317 is a wasteful number, since it uses less digits than its factorization.

12667317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its digits is 10584, while the sum is 33.

The square root of 12667317 is about 3559.1174467837. The cubic root of 12667317 is about 233.1103445614.

The spelling of 12667317 in words is "twelve million, six hundred sixty-seven thousand, three hundred seventeen".