12307917 has 8 divisors (see below), whose sum is σ = 16430400. Its totient is φ = 8195360.

The previous prime is 12307903. The next prime is 12307927. The reversal of 12307917 is 71970321.

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 12307917 - 2⁴ = 12307901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12307927) 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, 1192 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (2053800).

Almost surely, 2^12307917 is an apocalyptic number.

It is an amenable number.

12307917 is a deficient number, since it is larger than the sum of its proper divisors (4122483).

12307917 is a wasteful number, since it uses less digits than its factorization.

12307917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 12307917 is about 3508.2641006629. The cubic root of 12307917 is about 230.8845396644.

The spelling of 12307917 in words is "twelve million, three hundred seven thousand, nine hundred seventeen".