14021439 has 8 divisors (see below), whose sum is σ = 18920832. Its totient is φ = 9234840.

The previous prime is 14021437. The next prime is 14021453. The reversal of 14021439 is 93412041.

14021439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14021439 - 2¹ = 14021437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27907 + ... + 28404.

It is an arithmetic number, because the mean of its divisors is an integer number (2365104).

Almost surely, 2^14021439 is an apocalyptic number.

14021439 is a deficient number, since it is larger than the sum of its proper divisors (4899393).

14021439 is an equidigital number, since it uses as much as digits as its factorization.

14021439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56397.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 14021439 is about 3744.5211976967. The cubic root of 14021439 is about 241.1371899576.

The spelling of 14021439 in words is "fourteen million, twenty-one thousand, four hundred thirty-nine".