14239405 has 8 divisors (see below), whose sum is σ = 17328384. Its totient is φ = 11230800.

The previous prime is 14239399. The next prime is 14239411. The reversal of 14239405 is 50493241.

It is an interprime number because it is at equal distance from previous prime (14239399) and next prime (14239411).

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

It is not a de Polignac number, because 14239405 - 2⁵ = 14239373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19701 + ... + 20410.

It is an arithmetic number, because the mean of its divisors is an integer number (2166048).

Almost surely, 2^14239405 is an apocalyptic number.

It is an amenable number.

14239405 is a deficient number, since it is larger than the sum of its proper divisors (3088979).

14239405 is an equidigital number, since it uses as much as digits as its factorization.

14239405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40187.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 14239405 is about 3773.5136146568. The cubic root of 14239405 is about 242.3802788782.

The spelling of 14239405 in words is "fourteen million, two hundred thirty-nine thousand, four hundred five".