12806717 has 16 divisors (see below), whose sum is σ = 16243200. Its totient is φ = 9806640.

The previous prime is 12806713. The next prime is 12806749. The reversal of 12806717 is 71760821.

It is a cyclic number.

It is not a de Polignac number, because 12806717 - 2² = 12806713 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 (12806713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (1015200).

Almost surely, 2^12806717 is an apocalyptic number.

It is an amenable number.

12806717 is a deficient number, since it is larger than the sum of its proper divisors (3436483).

12806717 is a wasteful number, since it uses less digits than its factorization.

12806717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 12806717 is about 3578.6473701666. The cubic root of 12806717 is about 233.9623298749.

It can be divided in two parts, 1280 and 6717, that added together give a palindrome (7997).

The spelling of 12806717 in words is "twelve million, eight hundred six thousand, seven hundred seventeen".