12605717 has 4 divisors (see below), whose sum is σ = 12676320. Its totient is φ = 12535116.

The previous prime is 12605707. The next prime is 12605743. The reversal of 12605717 is 71750621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71750621 = 1279 ⋅56099.

It is a cyclic number.

It is not a de Polignac number, because 12605717 - 2¹² = 12601621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12605717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605707) 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, 35033 + ... + 35390.

It is an arithmetic number, because the mean of its divisors is an integer number (3169080).

Almost surely, 2^12605717 is an apocalyptic number.

It is an amenable number.

12605717 is a deficient number, since it is larger than the sum of its proper divisors (70603).

12605717 is an equidigital number, since it uses as much as digits as its factorization.

12605717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70602.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 12605717 is about 3550.4530696800. The cubic root of 12605717 is about 232.7318656570.

The spelling of 12605717 in words is "twelve million, six hundred five thousand, seven hundred seventeen".