14229979 has 2 divisors, whose sum is σ = 14229980. Its totient is φ = 14229978.

The previous prime is 14229973. The next prime is 14229989. The reversal of 14229979 is 97992241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14229979 - 2²³ = 5841371 is a prime.

It is not a weakly prime, because it can be changed into another prime (14229973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7114989 + 7114990.

It is an arithmetic number, because the mean of its divisors is an integer number (7114990).

Almost surely, 2^14229979 is an apocalyptic number.

14229979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14229979 is an equidigital number, since it uses as much as digits as its factorization.

14229979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 14229979 is about 3772.2644392990. The cubic root of 14229979 is about 242.3267845827.

The spelling of 14229979 in words is "fourteen million, two hundred twenty-nine thousand, nine hundred seventy-nine".