14315218 has 4 divisors (see below), whose sum is σ = 21472830. Its totient is φ = 7157608.

The previous prime is 14315201. The next prime is 14315221. The reversal of 14315218 is 81251341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12794929 + 1520289 = 3577^2 + 1233^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14315192 and 14315201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578803 + ... + 3578806.

Almost surely, 2^14315218 is an apocalyptic number.

14315218 is a deficient number, since it is larger than the sum of its proper divisors (7157612).

14315218 is an equidigital number, since it uses as much as digits as its factorization.

14315218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157611.

The product of its digits is 960, while the sum is 25.

The square root of 14315218 is about 3783.5456915438. The cubic root of 14315218 is about 242.8096755804.

Adding to 14315218 its reverse (81251341), we get a palindrome (95566559).

The spelling of 14315218 in words is "fourteen million, three hundred fifteen thousand, two hundred eighteen".