14321999 has 4 divisors (see below), whose sum is σ = 14356440. Its totient is φ = 14287560.

The previous prime is 14321971. The next prime is 14322001. The reversal of 14321999 is 99912341.

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 14321999 - 2¹² = 14317903 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 (14321929) 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, 16589 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (3589110).

Almost surely, 2^14321999 is an apocalyptic number.

14321999 is a deficient number, since it is larger than the sum of its proper divisors (34441).

14321999 is an equidigital number, since it uses as much as digits as its factorization.

14321999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34440.

The product of its digits is 17496, while the sum is 38.

The square root of 14321999 is about 3784.4417025501. The cubic root of 14321999 is about 242.8480085047.

The spelling of 14321999 in words is "fourteen million, three hundred twenty-one thousand, nine hundred ninety-nine".