14557979 has 2 divisors, whose sum is σ = 14557980. Its totient is φ = 14557978.

The previous prime is 14557973. The next prime is 14557999. The reversal of 14557979 is 97975541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14557979 - 2⁸ = 14557723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14557973) 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, 7278989 + 7278990.

It is an arithmetic number, because the mean of its divisors is an integer number (7278990).

Almost surely, 2^14557979 is an apocalyptic number.

14557979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14557979 is an equidigital number, since it uses as much as digits as its factorization.

14557979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 47.

The square root of 14557979 is about 3815.4919735206. The cubic root of 14557979 is about 244.1745313597.

The spelling of 14557979 in words is "fourteen million, five hundred fifty-seven thousand, nine hundred seventy-nine".