12938759729 has 12 divisors (see below), whose sum is σ = 15055934400. Its totient is φ = 11086884648.

The previous prime is 12938759711. The next prime is 12938759731. The reversal of 12938759729 is 92795783921.

It is not a de Polignac number, because 12938759729 - 2⁸ = 12938759473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12938759749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122852 + ... + 202410.

It is an arithmetic number, because the mean of its divisors is an integer number (1254661200).

Almost surely, 2^12938759729 is an apocalyptic number.

It is an amenable number.

12938759729 is a deficient number, since it is larger than the sum of its proper divisors (2117174671).

12938759729 is an equidigital number, since it uses as much as digits as its factorization.

12938759729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82892 (or 82885 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 62.

The spelling of 12938759729 in words is "twelve billion, nine hundred thirty-eight million, seven hundred fifty-nine thousand, seven hundred twenty-nine".