14321399 has 2 divisors, whose sum is σ = 14321400. Its totient is φ = 14321398.

The previous prime is 14321381. The next prime is 14321443. The reversal of 14321399 is 99312341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14321399 - 2²⁰ = 13272823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14321299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160699 + 7160700.

It is an arithmetic number, because the mean of its divisors is an integer number (7160700).

Almost surely, 2^14321399 is an apocalyptic number.

14321399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14321399 is an equidigital number, since it uses as much as digits as its factorization.

14321399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 14321399 is about 3784.3624297892. The cubic root of 14321399 is about 242.8446171988.

The spelling of 14321399 in words is "fourteen million, three hundred twenty-one thousand, three hundred ninety-nine".