12711687713523 has 64 divisors (see below), whose sum is σ = 20339119180800. Its totient is φ = 7822411914240.

The previous prime is 12711687713453. The next prime is 12711687713533. The reversal of 12711687713523 is 32531778611721.

It is a happy number.

12711687713523 is a `hidden beast` number, since 1 + 27 + 1 + 1 + 6 + 87 + 7 + 13 + 523 = 666.

It is not a de Polignac number, because 12711687713523 - 2³⁴ = 12694507844339 is a prime.

It is a super-2 number, since 2×12711687713523² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12711687713523.

It is not an unprimeable number, because it can be changed into a prime (12711687713533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34592611 + ... + 34958147.

It is an arithmetic number, because the mean of its divisors is an integer number (317798737200).

Almost surely, 2^{12711687713523} is an apocalyptic number.

12711687713523 is a deficient number, since it is larger than the sum of its proper divisors (7627431467277).

12711687713523 is a wasteful number, since it uses less digits than its factorization.

12711687713523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367529 (or 367523 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The spelling of 12711687713523 in words is "twelve trillion, seven hundred eleven billion, six hundred eighty-seven million, seven hundred thirteen thousand, five hundred twenty-three".