12803939424 has 72 divisors (see below), whose sum is σ = 37585783872. Its totient is φ = 4130300160.

The previous prime is 12803939413. The next prime is 12803939441. The reversal of 12803939424 is 42493930821.

12803939424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×12803939424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12803939424.

It is a congruent number.

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, 708139 + ... + 725994.

It is an arithmetic number, because the mean of its divisors is an integer number (522024776).

Almost surely, 2^12803939424 is an apocalyptic number.

It is an amenable number.

12803939424 is an abundant number, since it is smaller than the sum of its proper divisors (24781844448).

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

12803939424 is a wasteful number, since it uses less digits than its factorization.

12803939424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434180 (or 1434169 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 12803939424 in words is "twelve billion, eight hundred three million, nine hundred thirty-nine thousand, four hundred twenty-four".