14709979 has 4 divisors (see below), whose sum is σ = 15107584. Its totient is φ = 14312376.

The previous prime is 14709977. The next prime is 14709983. The reversal of 14709979 is 97990741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97990741 = 23 ⋅4260467.

It is a cyclic number.

It is not a de Polignac number, because 14709979 - 2¹ = 14709977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14709977) 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 in 3 ways as a sum of consecutive naturals, for example, 198747 + ... + 198820.

It is an arithmetic number, because the mean of its divisors is an integer number (3776896).

Almost surely, 2^14709979 is an apocalyptic number.

14709979 is a deficient number, since it is larger than the sum of its proper divisors (397605).

14709979 is an equidigital number, since it uses as much as digits as its factorization.

14709979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397604.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 14709979 is about 3835.3590444703. The cubic root of 14709979 is about 245.0214003242.

It can be divided in two parts, 1470 and 9979, that added together give a square (11449 = 107²).

The spelling of 14709979 in words is "fourteen million, seven hundred nine thousand, nine hundred seventy-nine".