12713644524781 has 8 divisors (see below), whose sum is σ = 12813841972224. Its totient is φ = 12613448484000.

The previous prime is 12713644524689. The next prime is 12713644524851. The reversal of 12713644524781 is 18742544631721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12713644524781 is a prime.

It is a super-2 number, since 2×12713644524781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713644524281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24925401 + ... + 25430353.

It is an arithmetic number, because the mean of its divisors is an integer number (1601730246528).

Almost surely, 2^{12713644524781} is an apocalyptic number.

It is an amenable number.

12713644524781 is a deficient number, since it is larger than the sum of its proper divisors (100197447443).

12713644524781 is a wasteful number, since it uses less digits than its factorization.

12713644524781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703331.

The product of its digits is 9031680, while the sum is 55.

The spelling of 12713644524781 in words is "twelve trillion, seven hundred thirteen billion, six hundred forty-four million, five hundred twenty-four thousand, seven hundred eighty-one".