13965066 has 48 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 4344480.

The previous prime is 13965059. The next prime is 13965089. The reversal of 13965066 is 66056931.

It is a self number, because there is not a number n which added to its sum of digits gives 13965066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15751 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (673920).

Almost surely, 2^13965066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13965066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16174080).

13965066 is an abundant number, since it is smaller than the sum of its proper divisors (18383094).

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

13965066 is a wasteful number, since it uses less digits than its factorization.

13965066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 13965066 is about 3736.9862188667. The cubic root of 13965066 is about 240.8135929936.

The spelling of 13965066 in words is "thirteen million, nine hundred sixty-five thousand, sixty-six".