12018806 has 8 divisors (see below), whose sum is σ = 18077664. Its totient is φ = 5992920.

The previous prime is 12018749. The next prime is 12018817. The reversal of 12018806 is 60881021.

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, 7310 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (2259708).

Almost surely, 2^12018806 is an apocalyptic number.

12018806 is a deficient number, since it is larger than the sum of its proper divisors (6058858).

12018806 is a wasteful number, since it uses less digits than its factorization.

12018806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 12018806 is about 3466.8149647767. The cubic root of 12018806 is about 229.0623832890.

Adding to 12018806 its reverse (60881021), we get a palindrome (72899827).

The spelling of 12018806 in words is "twelve million, eighteen thousand, eight hundred six".