13944886 has 12 divisors (see below), whose sum is σ = 21288492. Its totient is φ = 6850844.

The previous prime is 13944881. The next prime is 13944901. The reversal of 13944886 is 68844931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944881) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5961 + ... + 7963.

It is an arithmetic number, because the mean of its divisors is an integer number (1774041).

Almost surely, 2^13944886 is an apocalyptic number.

13944886 is a deficient number, since it is larger than the sum of its proper divisors (7343606).

13944886 is an equidigital number, since it uses as much as digits as its factorization.

13944886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2064 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 13944886 is about 3734.2852060334. The cubic root of 13944886 is about 240.6975424391.

The spelling of 13944886 in words is "thirteen million, nine hundred forty-four thousand, eight hundred eighty-six".