12713239509056 has 112 divisors (see below), whose sum is σ = 27017807523840. Its totient is φ = 5931931427840.

The previous prime is 12713239509053. The next prime is 12713239509121. The reversal of 12713239509056 is 65090593231721.

It is a super-2 number, since 2×12713239509056² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12713239508989 and 12713239509007.

It is not an unprimeable number, because it can be changed into a prime (12713239509053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31727105 + ... + 32125311.

It is an arithmetic number, because the mean of its divisors is an integer number (241230424320).

Almost surely, 2^{12713239509056} is an apocalyptic number.

12713239509056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12713239509056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13508903761920).

12713239509056 is an abundant number, since it is smaller than the sum of its proper divisors (14304568014784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12713239509056 is an frugal number, since it uses more digits than its factorization.

12713239509056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398329 (or 398273 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 12713239509056 in words is "twelve trillion, seven hundred thirteen billion, two hundred thirty-nine million, five hundred nine thousand, fifty-six".