14493218 has 4 divisors (see below), whose sum is σ = 21739830. Its totient is φ = 7246608.

The previous prime is 14493217. The next prime is 14493223. The reversal of 14493218 is 81239441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81239441 = 227 ⋅357883.

It can be written as a sum of positive squares in only one way, i.e., 12439729 + 2053489 = 3527^2 + 1433^2 .

It is not an unprimeable number, because it can be changed into a prime (14493217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3623303 + ... + 3623306.

Almost surely, 2^14493218 is an apocalyptic number.

14493218 is a deficient number, since it is larger than the sum of its proper divisors (7246612).

14493218 is an equidigital number, since it uses as much as digits as its factorization.

14493218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246611.

The product of its digits is 6912, while the sum is 32.

The square root of 14493218 is about 3806.9959285505. The cubic root of 14493218 is about 243.8119239559.

The spelling of 14493218 in words is "fourteen million, four hundred ninety-three thousand, two hundred eighteen".