14680018 has 4 divisors (see below), whose sum is σ = 22020030. Its totient is φ = 7340008.

The previous prime is 14679997. The next prime is 14680037. The reversal of 14680018 is 81008641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81008641 = 7 ⋅11572663.

It can be written as a sum of positive squares in only one way, i.e., 9467929 + 5212089 = 3077^2 + 2283^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3670003 + ... + 3670006.

Almost surely, 2^14680018 is an apocalyptic number.

14680018 is a deficient number, since it is larger than the sum of its proper divisors (7340012).

14680018 is an equidigital number, since it uses as much as digits as its factorization.

14680018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340011.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 14680018 is about 3831.4511611138. The cubic root of 14680018 is about 244.8549356432.

Adding to 14680018 its reverse (81008641), we get a palindrome (95688659).

The spelling of 14680018 in words is "fourteen million, six hundred eighty thousand, eighteen".