12565317 has 8 divisors (see below), whose sum is σ = 16842240. Its totient is φ = 8332640.

The previous prime is 12565307. The next prime is 12565339. The reversal of 12565317 is 71356521.

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 12565317 - 2¹² = 12561221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565307) 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, 10392 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (2105280).

Almost surely, 2^12565317 is an apocalyptic number.

It is an amenable number.

12565317 is a deficient number, since it is larger than the sum of its proper divisors (4276923).

12565317 is a wasteful number, since it uses less digits than its factorization.

12565317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22123.

The product of its digits is 6300, while the sum is 30.

The square root of 12565317 is about 3544.7590891343. The cubic root of 12565317 is about 232.4829725072.

The spelling of 12565317 in words is "twelve million, five hundred sixty-five thousand, three hundred seventeen".