12731650899513 has 64 divisors (see below), whose sum is σ = 21014614075392. Its totient is φ = 6676592832000.

The previous prime is 12731650899511. The next prime is 12731650899589. The reversal of 12731650899513 is 31599805613721.

It is a happy number.

It is not a de Polignac number, because 12731650899513 - 2¹ = 12731650899511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12731650899511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37312245 + ... + 37651917.

It is an arithmetic number, because the mean of its divisors is an integer number (328353344928).

Almost surely, 2^{12731650899513} is an apocalyptic number.

12731650899513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12731650899513 is a deficient number, since it is larger than the sum of its proper divisors (8282963175879).

12731650899513 is a wasteful number, since it uses less digits than its factorization.

12731650899513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340494.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 12731650899513 in words is "twelve trillion, seven hundred thirty-one billion, six hundred fifty million, eight hundred ninety-nine thousand, five hundred thirteen".