12317959 has 4 divisors (see below), whose sum is σ = 12326440. Its totient is φ = 12309480.

The previous prime is 12317957. The next prime is 12317971. The reversal of 12317959 is 95971321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 95971321 = 47 ⋅2041943.

It is a cyclic number.

It is not a de Polignac number, because 12317959 - 2¹ = 12317957 is a prime.

It is a super-2 number, since 2×12317959² = 303464227851362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (3081610).

Almost surely, 2^12317959 is an apocalyptic number.

12317959 is a deficient number, since it is larger than the sum of its proper divisors (8481).

12317959 is an equidigital number, since it uses as much as digits as its factorization.

12317959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480.

The product of its digits is 17010, while the sum is 37.

The square root of 12317959 is about 3509.6950009937. The cubic root of 12317959 is about 230.9473153089.

The spelling of 12317959 in words is "twelve million, three hundred seventeen thousand, nine hundred fifty-nine".