13870611 has 12 divisors (see below), whose sum is σ = 20142720. Its totient is φ = 9197520.

The previous prime is 13870603. The next prime is 13870643. The reversal of 13870611 is 11607831.

13870611 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 not a de Polignac number, because 13870611 - 2³ = 13870603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13870601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2316 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (1678560).

Almost surely, 2^13870611 is an apocalyptic number.

13870611 is a deficient number, since it is larger than the sum of its proper divisors (6272109).

13870611 is a wasteful number, since it uses less digits than its factorization.

13870611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8266 (or 8263 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13870611 is about 3724.3269190553. The cubic root of 13870611 is about 240.2694369856.

The spelling of 13870611 in words is "thirteen million, eight hundred seventy thousand, six hundred eleven".