14913979 has 4 divisors (see below), whose sum is σ = 14922880. Its totient is φ = 14905080.

The previous prime is 14913971. The next prime is 14913989. The reversal of 14913979 is 97931941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97931941 = 43 ⋅2277487.

It is a cyclic number.

It is not a de Polignac number, because 14913979 - 2³ = 14913971 is a prime.

It is a super-2 number, since 2×14913979² = 444853539224882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14913971) 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, 1092 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (3730720).

Almost surely, 2^14913979 is an apocalyptic number.

14913979 is a deficient number, since it is larger than the sum of its proper divisors (8901).

14913979 is an equidigital number, since it uses as much as digits as its factorization.

14913979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900.

The product of its digits is 61236, while the sum is 43.

The square root of 14913979 is about 3861.8621156121. The cubic root of 14913979 is about 246.1488677454.

The spelling of 14913979 in words is "fourteen million, nine hundred thirteen thousand, nine hundred seventy-nine".