13989367 has 8 divisors (see below), whose sum is σ = 16420256. Its totient is φ = 11666592.

The previous prime is 13989361. The next prime is 13989379. The reversal of 13989367 is 76398931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13989367 - 2¹⁵ = 13956599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26748 + ... + 27265.

It is an arithmetic number, because the mean of its divisors is an integer number (2052532).

Almost surely, 2^13989367 is an apocalyptic number.

13989367 is a deficient number, since it is larger than the sum of its proper divisors (2430889).

13989367 is an equidigital number, since it uses as much as digits as its factorization.

13989367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54057.

The product of its digits is 244944, while the sum is 46.

The square root of 13989367 is about 3740.2362224865. The cubic root of 13989367 is about 240.9531941953.

The spelling of 13989367 in words is "thirteen million, nine hundred eighty-nine thousand, three hundred sixty-seven".