12666061 has 8 divisors (see below), whose sum is σ = 12983040. Its totient is φ = 12352608.

The previous prime is 12666047. The next prime is 12666067. The reversal of 12666061 is 16066621.

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

It is a cyclic number.

It is not a de Polignac number, because 12666061 - 2⁵ = 12666029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12666067) 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, 7300 + ... + 8866.

It is an arithmetic number, because the mean of its divisors is an integer number (1622880).

Almost surely, 2^12666061 is an apocalyptic number.

It is an amenable number.

12666061 is a deficient number, since it is larger than the sum of its proper divisors (316979).

12666061 is a wasteful number, since it uses less digits than its factorization.

12666061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12666061 is about 3558.9409941723. The cubic root of 12666061 is about 233.1026397920.

The spelling of 12666061 in words is "twelve million, six hundred sixty-six thousand, sixty-one".