14320399 has 4 divisors (see below), whose sum is σ = 14459536. Its totient is φ = 14181264.

The previous prime is 14320381. The next prime is 14320447. The reversal of 14320399 is 99302341.

14320399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99302341 = 19 ⋅5226439.

It is a cyclic number.

It is not a de Polignac number, because 14320399 - 2⁹ = 14319887 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 14320399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14320349) 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, 69414 + ... + 69619.

It is an arithmetic number, because the mean of its divisors is an integer number (3614884).

Almost surely, 2^14320399 is an apocalyptic number.

14320399 is a deficient number, since it is larger than the sum of its proper divisors (139137).

14320399 is a wasteful number, since it uses less digits than its factorization.

14320399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139136.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 14320399 is about 3784.2303048308. The cubic root of 14320399 is about 242.8389648117.

The spelling of 14320399 in words is "fourteen million, three hundred twenty thousand, three hundred ninety-nine".