12676857658525 has 12 divisors (see below), whose sum is σ = 16643968408692. Its totient is φ = 9544928119040.

The previous prime is 12676857658471. The next prime is 12676857658529. The reversal of 12676857658525 is 52585675867621.

It can be written as a sum of positive squares in 6 ways, for example, as 76437872676 + 12600419785849 = 276474^2 + 3549707^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12676857658525 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 (12676857658529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14913949762 + ... + 14913950611.

It is an arithmetic number, because the mean of its divisors is an integer number (1386997367391).

Almost surely, 2^{12676857658525} is an apocalyptic number.

It is an amenable number.

12676857658525 is a deficient number, since it is larger than the sum of its proper divisors (3967110750167).

12676857658525 is a wasteful number, since it uses less digits than its factorization.

12676857658525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29827900400 (or 29827900395 counting only the distinct ones).

The product of its digits is 1693440000, while the sum is 73.

The spelling of 12676857658525 in words is "twelve trillion, six hundred seventy-six billion, eight hundred fifty-seven million, six hundred fifty-eight thousand, five hundred twenty-five".