13870512 has 30 divisors (see below), whose sum is σ = 38818572. Its totient is φ = 4623456.

The previous prime is 13870501. The next prime is 13870529. The reversal of 13870512 is 21507831.

13870512 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 super-2 number, since 2×13870512² = 384782206284288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48018 + ... + 48305.

Almost surely, 2^13870512 is an apocalyptic number.

13870512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13870512 is an abundant number, since it is smaller than the sum of its proper divisors (24948060).

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

13870512 is a wasteful number, since it uses less digits than its factorization.

13870512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96337 (or 96328 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13870512 is about 3724.3136280394. The cubic root of 13870512 is about 240.2688653518.

The spelling of 13870512 in words is "thirteen million, eight hundred seventy thousand, five hundred twelve".