14499921 has 4 divisors (see below), whose sum is σ = 19333232. Its totient is φ = 9666612.

The previous prime is 14499911. The next prime is 14499941. The reversal of 14499921 is 12999441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14499921 - 2⁵ = 14499889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14499921.

It is not an unprimeable number, because it can be changed into a prime (14499911) 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, 2416651 + ... + 2416656.

It is an arithmetic number, because the mean of its divisors is an integer number (4833308).

Almost surely, 2^14499921 is an apocalyptic number.

It is an amenable number.

14499921 is a deficient number, since it is larger than the sum of its proper divisors (4833311).

14499921 is an equidigital number, since it uses as much as digits as its factorization.

14499921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833310.

The product of its digits is 23328, while the sum is 39.

The square root of 14499921 is about 3807.8761797096. The cubic root of 14499921 is about 243.8495051989.

The spelling of 14499921 in words is "fourteen million, four hundred ninety-nine thousand, nine hundred twenty-one".