12623756646684 has 12 divisors (see below), whose sum is σ = 29455432175624. Its totient is φ = 4207918882224.

The previous prime is 12623756646661. The next prime is 12623756646763. The reversal of 12623756646684 is 48664665732621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525989860267 + ... + 525989860290.

Almost surely, 2^{12623756646684} is an apocalyptic number.

It is an amenable number.

12623756646684 is an abundant number, since it is smaller than the sum of its proper divisors (16831675528940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12623756646684 is a wasteful number, since it uses less digits than its factorization.

12623756646684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051979720564 (or 1051979720562 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 66.

The spelling of 12623756646684 in words is "twelve trillion, six hundred twenty-three billion, seven hundred fifty-six million, six hundred forty-six thousand, six hundred eighty-four".