14405039 has 4 divisors (see below), whose sum is σ = 15714600. Its totient is φ = 13095480.

The previous prime is 14405033. The next prime is 14405047. The reversal of 14405039 is 93050441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93050441 = 11 ⋅8459131.

It is a cyclic number.

It is not a de Polignac number, because 14405039 - 2⁴ = 14405023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14404999 and 14405017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14405033) 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 3 ways as a sum of consecutive naturals, for example, 654764 + ... + 654785.

It is an arithmetic number, because the mean of its divisors is an integer number (3928650).

Almost surely, 2^14405039 is an apocalyptic number.

14405039 is a deficient number, since it is larger than the sum of its proper divisors (1309561).

14405039 is a wasteful number, since it uses less digits than its factorization.

14405039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309560.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 14405039 is about 3795.3970806755. The cubic root of 14405039 is about 243.3164544911.

The spelling of 14405039 in words is "fourteen million, four hundred five thousand, thirty-nine".