14279021 has 4 divisors (see below), whose sum is σ = 14899872. Its totient is φ = 13658172.

The previous prime is 14279011. The next prime is 14279033. The reversal of 14279021 is 12097241.

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 14279021 - 2²² = 10084717 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 (14279011) 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, 310391 + ... + 310436.

It is an arithmetic number, because the mean of its divisors is an integer number (3724968).

Almost surely, 2^14279021 is an apocalyptic number.

It is an amenable number.

14279021 is a deficient number, since it is larger than the sum of its proper divisors (620851).

14279021 is an equidigital number, since it uses as much as digits as its factorization.

14279021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620850.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 14279021 is about 3778.7591878817. The cubic root of 14279021 is about 242.6048492644.

The spelling of 14279021 in words is "fourteen million, two hundred seventy-nine thousand, twenty-one".