14268921 has 4 divisors (see below), whose sum is σ = 19025232. Its totient is φ = 9512612.

The previous prime is 14268893. The next prime is 14268929. The reversal of 14268921 is 12986241.

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 a cyclic number.

It is not a de Polignac number, because 14268921 - 2⁵ = 14268889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14268929) 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, 2378151 + ... + 2378156.

It is an arithmetic number, because the mean of its divisors is an integer number (4756308).

Almost surely, 2^14268921 is an apocalyptic number.

It is an amenable number.

14268921 is a deficient number, since it is larger than the sum of its proper divisors (4756311).

14268921 is an equidigital number, since it uses as much as digits as its factorization.

14268921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756310.

The product of its digits is 6912, while the sum is 33.

The square root of 14268921 is about 3777.4225339509. The cubic root of 14268921 is about 242.5476350962.

The spelling of 14268921 in words is "fourteen million, two hundred sixty-eight thousand, nine hundred twenty-one".