14021318 has 4 divisors (see below), whose sum is σ = 21031980. Its totient is φ = 7010658.

The previous prime is 14021317. The next prime is 14021321. The reversal of 14021318 is 81312041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 14021318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3505328 + ... + 3505331.

It is an arithmetic number, because the mean of its divisors is an integer number (5257995).

Almost surely, 2^14021318 is an apocalyptic number.

14021318 is a deficient number, since it is larger than the sum of its proper divisors (7010662).

14021318 is an equidigital number, since it uses as much as digits as its factorization.

14021318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010661.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 14021318 is about 3744.5050407230. The cubic root of 14021318 is about 241.1364963130.

Adding to 14021318 its reverse (81312041), we get a palindrome (95333359).

The spelling of 14021318 in words is "fourteen million, twenty-one thousand, three hundred eighteen".