13388920704 has 64 divisors (see below), whose sum is σ = 39515922000. Its totient is φ = 4462972416.

The previous prime is 13388920697. The next prime is 13388920723. The reversal of 13388920704 is 40702988331.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 13388920704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933599 + ... + 1940510.

Almost surely, 2^13388920704 is an apocalyptic number.

It is an amenable number.

13388920704 is an abundant number, since it is smaller than the sum of its proper divisors (26127001296).

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

13388920704 is an equidigital number, since it uses as much as digits as its factorization.

13388920704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874132 (or 3874114 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13388920704 in words is "thirteen billion, three hundred eighty-eight million, nine hundred twenty thousand, seven hundred four".