12513907650 has 24 divisors (see below), whose sum is σ = 31034491344. Its totient is φ = 3337042000.

The previous prime is 12513907633. The next prime is 12513907663. The reversal of 12513907650 is 5670931521.

12513907650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12513907599 and 12513907608.

It is an unprimeable number.

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, 41712876 + ... + 41713175.

It is an arithmetic number, because the mean of its divisors is an integer number (1293103806).

Almost surely, 2^12513907650 is an apocalyptic number.

12513907650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12513907650 is an abundant number, since it is smaller than the sum of its proper divisors (18520583694).

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

12513907650 is a wasteful number, since it uses less digits than its factorization.

12513907650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83426066 (or 83426061 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 12513907650 in words is "twelve billion, five hundred thirteen million, nine hundred seven thousand, six hundred fifty".