12066664 has 16 divisors (see below), whose sum is σ = 22716900. Its totient is φ = 6008832.

The previous prime is 12066641. The next prime is 12066667. The reversal of 12066664 is 46666021.

12066664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 108900 = 3458^2 + 330^2 .

It is not an unprimeable number, because it can be changed into a prime (12066667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879 + ... + 4990.

Almost surely, 2^12066664 is an apocalyptic number.

It is an amenable number.

12066664 is a deficient number, since it is larger than the sum of its proper divisors (10650236).

12066664 is a wasteful number, since it uses less digits than its factorization.

12066664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132 (or 6128 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 12066664 is about 3473.7104081947. The cubic root of 12066664 is about 229.3660171404.

The spelling of 12066664 in words is "twelve million, sixty-six thousand, six hundred sixty-four".