18000014 has 8 divisors (see below), whose sum is σ = 27098328. Its totient is φ = 8967240.

The previous prime is 17999987. The next prime is 18000041. The reversal of 18000014 is 41000081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (17999987) and next prime (18000041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15692 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (3387291).

Almost surely, 2^18000014 is an apocalyptic number.

18000014 is a deficient number, since it is larger than the sum of its proper divisors (9098314).

18000014 is a wasteful number, since it uses less digits than its factorization.

18000014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32770.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 18000014 is about 4242.6423370348. The cubic root of 18000014 is about 262.0742073660.

Adding to 18000014 its reverse (41000081), we get a palindrome (59000095).

The spelling of 18000014 in words is "eighteen million, fourteen", and thus it is an aban number.