14439 has 4 divisors (see below), whose sum is σ = 19256. Its totient is φ = 9624.

The previous prime is 14437. The next prime is 14447. The reversal of 14439 is 93441.

Added to its reverse (93441) it gives a triangular number (107880 = T₄₆₄).

14439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93441 = 3 ⋅31147.

It is not a de Polignac number, because 14439 - 2¹ = 14437 is a prime.

It is a D-number.

It is a Duffinian number.

14439 is a lucky number.

It is a nialpdrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 14439.

It is not an unprimeable number, because it can be changed into a prime (14431) 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, 2404 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (4814).

2¹⁴⁴³⁹ is an apocalyptic number.

14439 is a deficient number, since it is larger than the sum of its proper divisors (4817).

14439 is an equidigital number, since it uses as much as digits as its factorization.

14439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816.

The product of its digits is 432, while the sum is 21.

The square root of 14439 is about 120.1623901227. The cubic root of 14439 is about 24.3507516911.

Adding to 14439 its reverse (93441), we get a triangular number (107880 = T₄₆₄).

The spelling of 14439 in words is "fourteen thousand, four hundred thirty-nine".