12585317 has 4 divisors (see below), whose sum is σ = 12618060. Its totient is φ = 12552576.

The previous prime is 12585299. The next prime is 12585329. The reversal of 12585317 is 71358521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7230721 + 5354596 = 2689^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 12585317 - 2⁸ = 12585061 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 (12585367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15788 + ... + 16565.

It is an arithmetic number, because the mean of its divisors is an integer number (3154515).

Almost surely, 2^12585317 is an apocalyptic number.

It is an amenable number.

12585317 is a deficient number, since it is larger than the sum of its proper divisors (32743).

12585317 is an equidigital number, since it uses as much as digits as its factorization.

12585317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32742.

The product of its digits is 8400, while the sum is 32.

The square root of 12585317 is about 3547.5790336510. The cubic root of 12585317 is about 232.6062535116.

The spelling of 12585317 in words is "twelve million, five hundred eighty-five thousand, three hundred seventeen".