12746648582731 has 4 divisors (see below), whose sum is σ = 14567598380272. Its totient is φ = 10925698785192.

The previous prime is 12746648582687. The next prime is 12746648582771. The reversal of 12746648582731 is 13728584664721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12746648582731 - 2¹⁵ = 12746648549963 is a prime.

It is a super-2 number, since 2×12746648582731² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12746648582771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910474898760 + ... + 910474898773.

It is an arithmetic number, because the mean of its divisors is an integer number (3641899595068).

Almost surely, 2^{12746648582731} is an apocalyptic number.

12746648582731 is a deficient number, since it is larger than the sum of its proper divisors (1820949797541).

12746648582731 is an equidigital number, since it uses as much as digits as its factorization.

12746648582731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820949797540.

The product of its digits is 108380160, while the sum is 64.

The spelling of 12746648582731 in words is "twelve trillion, seven hundred forty-six billion, six hundred forty-eight million, five hundred eighty-two thousand, seven hundred thirty-one".