13870884 has 12 divisors (see below), whose sum is σ = 32365424. Its totient is φ = 4623624.

The previous prime is 13870867. The next prime is 13870891. The reversal of 13870884 is 48807831.

13870884 is digitally balanced in base 2 and base 4, because in such bases 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 (12).

It is a super-3 number, since 3×13870884³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577942 + ... + 577965.

Almost surely, 2^13870884 is an apocalyptic number.

It is an amenable number.

13870884 is an abundant number, since it is smaller than the sum of its proper divisors (18494540).

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

13870884 is a wasteful number, since it uses less digits than its factorization.

13870884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155914 (or 1155912 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 13870884 is about 3724.3635697928. The cubic root of 13870884 is about 240.2710132951.

The spelling of 13870884 in words is "thirteen million, eight hundred seventy thousand, eight hundred eighty-four".