14909 has 4 divisors (see below), whose sum is σ = 15804. Its totient is φ = 14016.

The previous prime is 14897. The next prime is 14923. The reversal of 14909 is 90941.

14909 = 2² + 3² + ... + 35².

14909 is nontrivially palindromic in base 7.

14909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

14909 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90941 = 211 ⋅431.

It can be written as a sum of positive squares in 2 ways, for example, as 12100 + 2809 = 110^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 14909 - 2⁸ = 14653 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 14909.

It is not an unprimeable number, because it can be changed into a prime (14929) 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, 422 + ... + 455.

It is an arithmetic number, because the mean of its divisors is an integer number (3951).

2¹⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

14909 is a deficient number, since it is larger than the sum of its proper divisors (895).

14909 is an equidigital number, since it uses as much as digits as its factorization.

14909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 14909 is about 122.1024160285. The cubic root of 14909 is about 24.6121472605.

The spelling of 14909 in words is "fourteen thousand, nine hundred nine".