14406239 has 2 divisors, whose sum is σ = 14406240. Its totient is φ = 14406238.

The previous prime is 14406233. The next prime is 14406241. The reversal of 14406239 is 93260441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14406239 is a prime.

Together with 14406241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14406233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7203119 + 7203120.

It is an arithmetic number, because the mean of its divisors is an integer number (7203120).

Almost surely, 2^14406239 is an apocalyptic number.

14406239 is a deficient number, since it is larger than the sum of its proper divisors (1).

14406239 is an equidigital number, since it uses as much as digits as its factorization.

14406239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 14406239 is about 3795.5551636091. Note that the first 3 decimals coincide. The cubic root of 14406239 is about 243.3232107296.

The spelling of 14406239 in words is "fourteen million, four hundred six thousand, two hundred thirty-nine".