14021239 has 4 divisors (see below), whose sum is σ = 14504760. Its totient is φ = 13537720.

The previous prime is 14021233. The next prime is 14021263. The reversal of 14021239 is 93212041.

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 14021239 - 2¹⁷ = 13890167 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 (14021233) 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, 241717 + ... + 241774.

It is an arithmetic number, because the mean of its divisors is an integer number (3626190).

Almost surely, 2^14021239 is an apocalyptic number.

14021239 is a deficient number, since it is larger than the sum of its proper divisors (483521).

14021239 is an equidigital number, since it uses as much as digits as its factorization.

14021239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483520.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14021239 is about 3744.4944919174. The cubic root of 14021239 is about 241.1360434355.

The spelling of 14021239 in words is "fourteen million, twenty-one thousand, two hundred thirty-nine".