13897004208 has 80 divisors (see below), whose sum is σ = 36420883200. Its totient is φ = 4565645568.

The previous prime is 13897004207. The next prime is 13897004239. The reversal of 13897004208 is 80240079831.

13897004208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13897004208.

It is not an unprimeable number, because it can be changed into a prime (13897004207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1015266 + ... + 1028862.

It is an arithmetic number, because the mean of its divisors is an integer number (455261040).

Almost surely, 2^13897004208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13897004208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18210441600).

13897004208 is an abundant number, since it is smaller than the sum of its proper divisors (22523878992).

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

13897004208 is a wasteful number, since it uses less digits than its factorization.

13897004208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914 (or 13908 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 13897004208 in words is "thirteen billion, eight hundred ninety-seven million, four thousand, two hundred eight".