14299921 has 4 divisors (see below), whose sum is σ = 14342692. Its totient is φ = 14257152.

The previous prime is 14299849. The next prime is 14299931. The reversal of 14299921 is 12999241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5953600 + 8346321 = 2440^2 + 2889^2 .

It is a cyclic number.

It is not a de Polignac number, because 14299921 - 2⁷ = 14299793 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14299931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20880 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (3585673).

Almost surely, 2^14299921 is an apocalyptic number.

It is an amenable number.

14299921 is a deficient number, since it is larger than the sum of its proper divisors (42771).

14299921 is an equidigital number, since it uses as much as digits as its factorization.

14299921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42770.

The product of its digits is 11664, while the sum is 37.

The square root of 14299921 is about 3781.5236347271. The cubic root of 14299921 is about 242.7231573173.

The spelling of 14299921 in words is "fourteen million, two hundred ninety-nine thousand, nine hundred twenty-one".