12666006 has 24 divisors (see below), whose sum is σ = 27718704. Its totient is φ = 4179600.

The previous prime is 12665987. The next prime is 12666019. The reversal of 12666006 is 60066621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (1154946).

Almost surely, 2^12666006 is an apocalyptic number.

12666006 is an abundant number, since it is smaller than the sum of its proper divisors (15052698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12666006 is a wasteful number, since it uses less digits than its factorization.

12666006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076 (or 7073 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12666006 is about 3558.9332671462. The cubic root of 12666006 is about 233.1023023900.

The spelling of 12666006 in words is "twelve million, six hundred sixty-six thousand, six".