12513263756373 has 20 divisors (see below), whose sum is σ = 18693304481280. Its totient is φ = 8341885212552.

The previous prime is 12513263756359. The next prime is 12513263756419. The reversal of 12513263756373 is 37365736231521.

12513263756373 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 3 + 2 + 6 + 3 + 7 + 563 + 73 = 666.

It is not a de Polignac number, because 12513263756373 - 2⁵ = 12513263756341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513263754373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 338965 + ... + 5014122.

It is an arithmetic number, because the mean of its divisors is an integer number (934665224064).

Almost surely, 2^{12513263756373} is an apocalyptic number.

It is an amenable number.

12513263756373 is a deficient number, since it is larger than the sum of its proper divisors (6180040724907).

12513263756373 is an equidigital number, since it uses as much as digits as its factorization.

12513263756373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381958 (or 5381949 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 54.

Adding to 12513263756373 its reverse (37365736231521), we get a palindrome (49878999987894).

The spelling of 12513263756373 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred seventy-three".