14066409 has 16 divisors (see below), whose sum is σ = 22367232. Its totient is φ = 7688208.

The previous prime is 14066407. The next prime is 14066413. The reversal of 14066409 is 90466041.

It is not a de Polignac number, because 14066409 - 2¹ = 14066407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14066407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14079 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (1397952).

Almost surely, 2^14066409 is an apocalyptic number.

It is an amenable number.

14066409 is a deficient number, since it is larger than the sum of its proper divisors (8300823).

14066409 is a wasteful number, since it uses less digits than its factorization.

14066409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29156.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 14066409 is about 3750.5211637851. The cubic root of 14066409 is about 241.3947091046.

The spelling of 14066409 in words is "fourteen million, sixty-six thousand, four hundred nine".