13986344 has 16 divisors (see below), whose sum is σ = 26373600. Its totient is φ = 6953392.

The previous prime is 13986341. The next prime is 13986347. The reversal of 13986344 is 44368931.

It is an interprime number because it is at equal distance from previous prime (13986341) and next prime (13986347).

It is a junction number, because it is equal to n+sod(n) for n = 13986298 and 13986307.

It is not an unprimeable number, because it can be changed into a prime (13986341) 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 3 ways as a sum of consecutive naturals, for example, 3452 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (1648350).

Almost surely, 2^13986344 is an apocalyptic number.

It is an amenable number.

13986344 is a deficient number, since it is larger than the sum of its proper divisors (12387256).

13986344 is a wasteful number, since it uses less digits than its factorization.

13986344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9952 (or 9948 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 13986344 is about 3739.8320817919. The cubic root of 13986344 is about 240.9358368700.

It can be divided in two parts, 13986 and 344, that multiplied together give a palindrome (4811184).

The spelling of 13986344 in words is "thirteen million, nine hundred eighty-six thousand, three hundred forty-four".