12513718494 has 24 divisors (see below), whose sum is σ = 27116820432. Its totient is φ = 4170660480.

The previous prime is 12513718471. The next prime is 12513718499. The reversal of 12513718494 is 49481731521.

12513718494 is a `hidden beast` number, since 1 + 25 + 137 + 1 + 8 + 494 = 666.

12513718494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513718499) 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 11 ways as a sum of consecutive naturals, for example, 96807 + ... + 185469.

It is an arithmetic number, because the mean of its divisors is an integer number (1129867518).

Almost surely, 2^12513718494 is an apocalyptic number.

12513718494 is an abundant number, since it is smaller than the sum of its proper divisors (14603101938).

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

12513718494 is a wasteful number, since it uses less digits than its factorization.

12513718494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96512 (or 96509 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 12513718494 in words is "twelve billion, five hundred thirteen million, seven hundred eighteen thousand, four hundred ninety-four".