14720399 has 2 divisors, whose sum is σ = 14720400. Its totient is φ = 14720398.

The previous prime is 14720393. The next prime is 14720401. The reversal of 14720399 is 99302741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14720399 - 2¹⁶ = 14654863 is a prime.

Together with 14720401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14720393) 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, 7360199 + 7360200.

It is an arithmetic number, because the mean of its divisors is an integer number (7360200).

Almost surely, 2^14720399 is an apocalyptic number.

14720399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14720399 is an equidigital number, since it uses as much as digits as its factorization.

14720399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 14720399 is about 3836.7172165798. The cubic root of 14720399 is about 245.0792413400.

The spelling of 14720399 in words is "fourteen million, seven hundred twenty thousand, three hundred ninety-nine".