12513263756386 has 16 divisors (see below), whose sum is σ = 18965835393624. Its totient is φ = 6191335194624.

The previous prime is 12513263756359. The next prime is 12513263756419. The reversal of 12513263756386 is 68365736231521.

It can be written as a sum of positive squares in 4 ways, for example, as 12112662105625 + 400601650761 = 3480325^2 + 632931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12513263756386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626575 + ... + 5650258.

Almost surely, 2^{12513263756386} is an apocalyptic number.

12513263756386 is a deficient number, since it is larger than the sum of its proper divisors (6452571637238).

12513263756386 is an equidigital number, since it uses as much as digits as its factorization.

12513263756386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284725.

The product of its digits is 32659200, while the sum is 58.

The spelling of 12513263756386 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred eighty-six".