12066818 has 16 divisors (see below), whose sum is σ = 18468000. Its totient is φ = 5912256.

The previous prime is 12066811. The next prime is 12066829. The reversal of 12066818 is 81866021.

It is not an unprimeable number, because it can be changed into a prime (12066811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23933 + ... + 24431.

It is an arithmetic number, because the mean of its divisors is an integer number (1154250).

Almost surely, 2^12066818 is an apocalyptic number.

12066818 is a deficient number, since it is larger than the sum of its proper divisors (6401182).

12066818 is a wasteful number, since it uses less digits than its factorization.

12066818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12066818 is about 3473.7325746234. The cubic root of 12066818 is about 229.3669928924.

The spelling of 12066818 in words is "twelve million, sixty-six thousand, eight hundred eighteen".