13980873 has 4 divisors (see below), whose sum is σ = 18641168. Its totient is φ = 9320580.

The previous prime is 13980859. The next prime is 13980881. The reversal of 13980873 is 37808931.

13980873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13980873 - 2⁹ = 13980361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13980853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330143 + ... + 2330148.

It is an arithmetic number, because the mean of its divisors is an integer number (4660292).

Almost surely, 2^13980873 is an apocalyptic number.

It is an amenable number.

13980873 is a deficient number, since it is larger than the sum of its proper divisors (4660295).

13980873 is an equidigital number, since it uses as much as digits as its factorization.

13980873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660294.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 13980873 is about 3739.1005602952. The cubic root of 13980873 is about 240.9044173684.

The spelling of 13980873 in words is "thirteen million, nine hundred eighty thousand, eight hundred seventy-three".