13965870 has 16 divisors (see below), whose sum is σ = 33518160. Its totient is φ = 3724224.

The previous prime is 13965869. The next prime is 13965877. The reversal of 13965870 is 7856931.

13965870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13965877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232735 + ... + 232794.

It is an arithmetic number, because the mean of its divisors is an integer number (2094885).

Almost surely, 2^13965870 is an apocalyptic number.

13965870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13965870 is an abundant number, since it is smaller than the sum of its proper divisors (19552290).

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

13965870 is a wasteful number, since it uses less digits than its factorization.

13965870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465539.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13965870 is about 3737.0937906346. The cubic root of 13965870 is about 240.8182142968.

The spelling of 13965870 in words is "thirteen million, nine hundred sixty-five thousand, eight hundred seventy".