14839947 has 18 divisors (see below), whose sum is σ = 21884772. Its totient is φ = 9690096.

The previous prime is 14839927. The next prime is 14839973. The reversal of 14839947 is 74993841.

It is not a de Polignac number, because 14839947 - 2⁶ = 14839883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14839927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24988 + ... + 25574.

Almost surely, 2^14839947 is an apocalyptic number.

14839947 is a deficient number, since it is larger than the sum of its proper divisors (7044825).

14839947 is an equidigital number, since it uses as much as digits as its factorization.

14839947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 643 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 14839947 is about 3852.2651777883. The cubic root of 14839947 is about 245.7409030921.

The spelling of 14839947 in words is "fourteen million, eight hundred thirty-nine thousand, nine hundred forty-seven".