12066659 has 4 divisors (see below), whose sum is σ = 13163640. Its totient is φ = 10969680.

The previous prime is 12066641. The next prime is 12066667. The reversal of 12066659 is 95666021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12066659 - 2¹² = 12062563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12066679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548474 + ... + 548495.

It is an arithmetic number, because the mean of its divisors is an integer number (3290910).

Almost surely, 2^12066659 is an apocalyptic number.

12066659 is a deficient number, since it is larger than the sum of its proper divisors (1096981).

12066659 is a wasteful number, since it uses less digits than its factorization.

12066659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096980.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 12066659 is about 3473.7096885031. The cubic root of 12066659 is about 229.3659854600.

The spelling of 12066659 in words is "twelve million, sixty-six thousand, six hundred fifty-nine".