12590722017 has 6 divisors (see below), whose sum is σ = 18186598482. Its totient is φ = 8393814672.

The previous prime is 12590722009. The next prime is 12590722057. The reversal of 12590722017 is 71022709521.

It can be written as a sum of positive squares in only one way, i.e., 12445856721 + 144865296 = 111561^2 + 12036^2 .

It is not a de Polignac number, because 12590722017 - 2³ = 12590722009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12590722057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 699484548 + ... + 699484565.

It is an arithmetic number, because the mean of its divisors is an integer number (3031099747).

Almost surely, 2^12590722017 is an apocalyptic number.

It is an amenable number.

12590722017 is a deficient number, since it is larger than the sum of its proper divisors (5595876465).

12590722017 is a wasteful number, since it uses less digits than its factorization.

12590722017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398969119 (or 1398969116 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 12590722017 in words is "twelve billion, five hundred ninety million, seven hundred twenty-two thousand, seventeen".