12317679 has 18 divisors (see below), whose sum is σ = 19558448. Its totient is φ = 7464600.

The previous prime is 12317647. The next prime is 12317693. The reversal of 12317679 is 97671321.

It is a happy number.

It is not a de Polignac number, because 12317679 - 2⁵ = 12317647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4567 + ... + 6744.

Almost surely, 2^12317679 is an apocalyptic number.

12317679 is a deficient number, since it is larger than the sum of its proper divisors (7240769).

12317679 is a wasteful number, since it uses less digits than its factorization.

12317679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11339 (or 11325 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 12317679 is about 3509.6551112609. The cubic root of 12317679 is about 230.9455654049.

It can be divided in two parts, 12317 and 679, that added together give a square (12996 = 114²).

The spelling of 12317679 in words is "twelve million, three hundred seventeen thousand, six hundred seventy-nine".