12401594452513 has 6 divisors (see below), whose sum is σ = 14426344567266. Its totient is φ = 10629938102112.

The previous prime is 12401594452411. The next prime is 12401594452517. The reversal of 12401594452513 is 31525449510421.

It can be written as a sum of positive squares in only one way, i.e., 10559692186624 + 1841902265889 = 3249568^2 + 1357167^2 .

It is not a de Polignac number, because 12401594452513 - 2⁹ = 12401594452001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12401594452517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126546882120 + ... + 126546882217.

It is an arithmetic number, because the mean of its divisors is an integer number (2404390761211).

Almost surely, 2^{12401594452513} is an apocalyptic number.

It is an amenable number.

12401594452513 is a deficient number, since it is larger than the sum of its proper divisors (2024750114753).

12401594452513 is an equidigital number, since it uses as much as digits as its factorization.

12401594452513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253093764351 (or 253093764344 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 12401594452513 in words is "twelve trillion, four hundred one billion, five hundred ninety-four million, four hundred fifty-two thousand, five hundred thirteen".