12513263756376 has 128 divisors (see below), whose sum is σ = 31891708800000. Its totient is φ = 4090372239360.

The previous prime is 12513263756359. The next prime is 12513263756419. The reversal of 12513263756376 is 67365736231521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1158737425 + ... + 1158748223.

It is an arithmetic number, because the mean of its divisors is an integer number (249153975000).

Almost surely, 2^{12513263756376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12513263756376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15945854400000).

12513263756376 is an abundant number, since it is smaller than the sum of its proper divisors (19378445043624).

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

12513263756376 is a wasteful number, since it uses less digits than its factorization.

12513263756376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177 (or 13173 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 57.

Adding to 12513263756376 its reverse (67365736231521), we get a palindrome (79878999987897).

The spelling of 12513263756376 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred seventy-six".