14021979 has 8 divisors (see below), whose sum is σ = 18722880. Its totient is φ = 9334536.

The previous prime is 14021977. The next prime is 14021989. The reversal of 14021979 is 97912041.

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

It is not a de Polignac number, because 14021979 - 2¹ = 14021977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14021971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (2340360).

Almost surely, 2^14021979 is an apocalyptic number.

14021979 is a deficient number, since it is larger than the sum of its proper divisors (4700901).

14021979 is an equidigital number, since it uses as much as digits as its factorization.

14021979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 14021979 is about 3744.5933023494. The cubic root of 14021979 is about 241.1402855127.

The spelling of 14021979 in words is "fourteen million, twenty-one thousand, nine hundred seventy-nine".