14666 has 4 divisors (see below), whose sum is σ = 22002. Its totient is φ = 7332.

The previous prime is 14657. The next prime is 14669. The reversal of 14666 is 66641.

14666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66641 = 103 ⋅647.

It can be written as a sum of positive squares in only one way, i.e., 14641 + 25 = 121^2 + 5^2 .

14666 is a modest number, since divided by 666 gives 14 as remainder.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (14669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3665 + ... + 3668.

2¹⁴⁶⁶⁶ is an apocalyptic number.

14666 is a deficient number, since it is larger than the sum of its proper divisors (7336).

14666 is an equidigital number, since it uses as much as digits as its factorization.

14666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335.

The product of its digits is 864, while the sum is 23.

The square root of 14666 is about 121.1032617232. The cubic root of 14666 is about 24.4776973214.

It can be divided in two parts, 146 and 66, that added together give a palindrome (212).

The spelling of 14666 in words is "fourteen thousand, six hundred sixty-six".