13979973 has 8 divisors (see below), whose sum is σ = 21302848. Its totient is φ = 7988544.

The previous prime is 13979963. The next prime is 13979983. The reversal of 13979973 is 37997931.

It is an interprime number because it is at equal distance from previous prime (13979963) and next prime (13979983).

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

It is not a de Polignac number, because 13979973 - 2⁵ = 13979941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979923) 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 7 ways as a sum of consecutive naturals, for example, 332836 + ... + 332877.

It is an arithmetic number, because the mean of its divisors is an integer number (2662856).

Almost surely, 2^13979973 is an apocalyptic number.

It is an amenable number.

13979973 is a deficient number, since it is larger than the sum of its proper divisors (7322875).

13979973 is an equidigital number, since it uses as much as digits as its factorization.

13979973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665723.

The product of its digits is 321489, while the sum is 48.

The square root of 13979973 is about 3738.9802085595. The cubic root of 13979973 is about 240.8992479576.

The spelling of 13979973 in words is "thirteen million, nine hundred seventy-nine thousand, nine hundred seventy-three".