12912713506 has 32 divisors (see below), whose sum is σ = 24155729280. Its totient is φ = 5029411200.

The previous prime is 12912713503. The next prime is 12912713537. The reversal of 12912713506 is 60531721921.

It is not an unprimeable number, because it can be changed into a prime (12912713503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594396 + ... + 615736.

It is an arithmetic number, because the mean of its divisors is an integer number (754866540).

Almost surely, 2^12912713506 is an apocalyptic number.

12912713506 is a deficient number, since it is larger than the sum of its proper divisors (11243015774).

12912713506 is a wasteful number, since it uses less digits than its factorization.

12912713506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25290.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 12912713506 in words is "twelve billion, nine hundred twelve million, seven hundred thirteen thousand, five hundred six".