14243399 has 4 divisors (see below), whose sum is σ = 15081264. Its totient is φ = 13405536.

The previous prime is 14243393. The next prime is 14243401. The reversal of 14243399 is 99334241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14243399 - 2⁸ = 14243143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243393) 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, 418907 + ... + 418940.

It is an arithmetic number, because the mean of its divisors is an integer number (3770316).

Almost surely, 2^14243399 is an apocalyptic number.

14243399 is a deficient number, since it is larger than the sum of its proper divisors (837865).

14243399 is an equidigital number, since it uses as much as digits as its factorization.

14243399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837864.

The product of its digits is 23328, while the sum is 35.

The square root of 14243399 is about 3774.0427925502. The cubic root of 14243399 is about 242.4029384472.

The spelling of 14243399 in words is "fourteen million, two hundred forty-three thousand, three hundred ninety-nine".