13965770 has 64 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4347648.

The previous prime is 13965751. The next prime is 13965773. The reversal of 13965770 is 7756931.

13965770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13965773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93656 + ... + 93804.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^13965770 is an apocalyptic number.

13965770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13965770 is an abundant number, since it is smaller than the sum of its proper divisors (17483830).

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

13965770 is a wasteful number, since it uses less digits than its factorization.

13965770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 13965770 is about 3737.0804112301. The cubic root of 13965770 is about 240.8176395175.

The spelling of 13965770 in words is "thirteen million, nine hundred sixty-five thousand, seven hundred seventy".