12513263756424 has 64 divisors (see below), whose sum is σ = 31966503171840. Its totient is φ = 4080073996800.

The previous prime is 12513263756423. The next prime is 12513263756561. The reversal of 12513263756424 is 42465736231521.

It is not an unprimeable number, because it can be changed into a prime (12513263756423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048239 + ... + 5111294.

It is an arithmetic number, because the mean of its divisors is an integer number (499476612060).

Almost surely, 2^{12513263756424} is an apocalyptic number.

It is an amenable number.

12513263756424 is an abundant number, since it is smaller than the sum of its proper divisors (19453239415416).

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

12513263756424 is a wasteful number, since it uses less digits than its factorization.

12513263756424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161390 (or 6161386 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

Adding to 12513263756424 its reverse (42465736231521), we get a palindrome (54978999987945).

The spelling of 12513263756424 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, four hundred twenty-four".