12000918 has 8 divisors (see below), whose sum is σ = 24001848. Its totient is φ = 4000304.

The previous prime is 12000899. The next prime is 12000931. The reversal of 12000918 is 81900021.

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

12000918 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12000894 and 12000903.

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, 1000071 + ... + 1000082.

It is an arithmetic number, because the mean of its divisors is an integer number (3000231).

Almost surely, 2^12000918 is an apocalyptic number.

12000918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000918 is a wasteful number, since it uses less digits than its factorization.

12000918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000158.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 12000918 is about 3464.2341144905. The cubic root of 12000918 is about 228.9486864044.

Adding to 12000918 its reverse (81900021), we get a palindrome (93900939).

The spelling of 12000918 in words is "twelve million, nine hundred eighteen", and thus it is an aban number.