13965885 has 16 divisors (see below), whose sum is σ = 24828480. Its totient is φ = 7448400.

The previous prime is 13965881. The next prime is 13965901. The reversal of 13965885 is 58856931.

It is not a de Polignac number, because 13965885 - 2² = 13965881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13965885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13965881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51591 + ... + 51860.

It is an arithmetic number, because the mean of its divisors is an integer number (1551780).

Almost surely, 2^13965885 is an apocalyptic number.

13965885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13965885 is a deficient number, since it is larger than the sum of its proper divisors (10862595).

13965885 is a wasteful number, since it uses less digits than its factorization.

13965885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103465 (or 103459 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 13965885 is about 3737.0957975412. The cubic root of 13965885 is about 240.8183005135.

The spelling of 13965885 in words is "thirteen million, nine hundred sixty-five thousand, eight hundred eighty-five".