12513263756387 has 8 divisors (see below), whose sum is σ = 13350478082832. Its totient is φ = 11687287206400.

The previous prime is 12513263756359. The next prime is 12513263756419. The reversal of 12513263756387 is 78365736231521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513263756387 is a prime.

It is a super-3 number, since 3×12513263756387³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12513263726387) 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 7 ways as a sum of consecutive naturals, for example, 2809441814 + ... + 2809446267.

It is an arithmetic number, because the mean of its divisors is an integer number (1668809760354).

Almost surely, 2^{12513263756387} is an apocalyptic number.

12513263756387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12513263756387 is a deficient number, since it is larger than the sum of its proper divisors (837214326445).

12513263756387 is a wasteful number, since it uses less digits than its factorization.

12513263756387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618888229.

The product of its digits is 38102400, while the sum is 59.

The spelling of 12513263756387 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred eighty-seven".