12646082138417 has 96 divisors (see below), whose sum is σ = 16927580344320. Its totient is φ = 9218121719040.

The previous prime is 12646082138381. The next prime is 12646082138419. The reversal of 12646082138417 is 71483128064621.

It is a happy number.

It is not a de Polignac number, because 12646082138417 - 2¹⁰ = 12646082137393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12646082138419) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2879998292 + ... + 2880002682.

It is an arithmetic number, because the mean of its divisors is an integer number (176328961920).

Almost surely, 2^{12646082138417} is an apocalyptic number.

It is an amenable number.

12646082138417 is a deficient number, since it is larger than the sum of its proper divisors (4281498205903).

12646082138417 is a wasteful number, since it uses less digits than its factorization.

12646082138417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943 (or 7930 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 12646082138417 in words is "twelve trillion, six hundred forty-six billion, eighty-two million, one hundred thirty-eight thousand, four hundred seventeen".