14809 has 4 divisors (see below), whose sum is σ = 15120. Its totient is φ = 14500.

The previous prime is 14797. The next prime is 14813. The reversal of 14809 is 90841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14809 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 14809.

It is not an unprimeable number, because it can be changed into a prime (14869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67 + ... + 184.

It is an arithmetic number, because the mean of its divisors is an integer number (3780).

2¹⁴⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

14809 is a deficient number, since it is larger than the sum of its proper divisors (311).

14809 is an equidigital number, since it uses as much as digits as its factorization.

14809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 14809 is about 121.6922347564. The cubic root of 14809 is about 24.5569962763.

The spelling of 14809 in words is "fourteen thousand, eight hundred nine".