12793730994 has 72 divisors (see below), whose sum is σ = 30510597936. Its totient is φ = 3871573200.

The previous prime is 12793730977. The next prime is 12793731019. The reversal of 12793730994 is 49903739721.

It is a self number, because there is not a number n which added to its sum of digits gives 12793730994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1762737 + ... + 1769979.

Almost surely, 2^12793730994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12793730994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15255298968).

12793730994 is an abundant number, since it is smaller than the sum of its proper divisors (17716866942).

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

12793730994 is a wasteful number, since it uses less digits than its factorization.

12793730994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 12793730994 in words is "twelve billion, seven hundred ninety-three million, seven hundred thirty thousand, nine hundred ninety-four".