12295917 has 6 divisors (see below), whose sum is σ = 17760782. Its totient is φ = 8197272.

The previous prime is 12295883. The next prime is 12295919. The reversal of 12295917 is 71959221.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 5294601 = 2646^2 + 2301^2 .

It is not a de Polignac number, because 12295917 - 2⁶ = 12295853 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 (12295919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683098 + ... + 683115.

Almost surely, 2^12295917 is an apocalyptic number.

It is an amenable number.

12295917 is a deficient number, since it is larger than the sum of its proper divisors (5464865).

12295917 is a wasteful number, since it uses less digits than its factorization.

12295917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366219 (or 1366216 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 12295917 is about 3506.5534360680. The cubic root of 12295917 is about 230.8094791594.

The spelling of 12295917 in words is "twelve million, two hundred ninety-five thousand, nine hundred seventeen".