14009399 has 4 divisors (see below), whose sum is σ = 14022336. Its totient is φ = 13996464.

The previous prime is 14009389. The next prime is 14009417. The reversal of 14009399 is 99390041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99390041 = 17 ⋅5846473.

It is a cyclic number.

It is not a de Polignac number, because 14009399 - 2⁸ = 14009143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14009389) 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 3 ways as a sum of consecutive naturals, for example, 4679 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (3505584).

Almost surely, 2^14009399 is an apocalyptic number.

14009399 is a deficient number, since it is larger than the sum of its proper divisors (12937).

14009399 is a wasteful number, since it uses less digits than its factorization.

14009399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 14009399 is about 3742.9131702459. The cubic root of 14009399 is about 241.0681498928.

The spelling of 14009399 in words is "fourteen million, nine thousand, three hundred ninety-nine".