12317187 has 8 divisors (see below), whose sum is σ = 17287360. Its totient is φ = 7779240.

The previous prime is 12317177. The next prime is 12317209. The reversal of 12317187 is 78171321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12317187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12317177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107989 + ... + 108102.

It is an arithmetic number, because the mean of its divisors is an integer number (2160920).

Almost surely, 2^12317187 is an apocalyptic number.

12317187 is a deficient number, since it is larger than the sum of its proper divisors (4970173).

12317187 is a wasteful number, since it uses less digits than its factorization.

12317187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216113.

The product of its digits is 2352, while the sum is 30.

The square root of 12317187 is about 3509.5850182037. The cubic root of 12317187 is about 230.9424905093.

The spelling of 12317187 in words is "twelve million, three hundred seventeen thousand, one hundred eighty-seven".