12317315 has 8 divisors (see below), whose sum is σ = 15290640. Its totient is φ = 9513952.

The previous prime is 12317311. The next prime is 12317317. The reversal of 12317315 is 51371321.

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

It is a cyclic number.

It is not a de Polignac number, because 12317315 - 2² = 12317311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12317311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42329 + ... + 42618.

It is an arithmetic number, because the mean of its divisors is an integer number (1911330).

Almost surely, 2^12317315 is an apocalyptic number.

12317315 is a deficient number, since it is larger than the sum of its proper divisors (2973325).

12317315 is an equidigital number, since it uses as much as digits as its factorization.

12317315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84981.

The product of its digits is 630, while the sum is 23.

The square root of 12317315 is about 3509.6032539306. The cubic root of 12317315 is about 230.9432904900.

Adding to 12317315 its reverse (51371321), we get a palindrome (63688636).

The spelling of 12317315 in words is "twelve million, three hundred seventeen thousand, three hundred fifteen".