12166803 has 24 divisors (see below), whose sum is σ = 19506240. Its totient is φ = 7245360.

The previous prime is 12166801. The next prime is 12166811. The reversal of 12166803 is 30866121.

It is not a de Polignac number, because 12166803 - 2¹ = 12166801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12166801) 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 23 ways as a sum of consecutive naturals, for example, 4800 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (812760).

Almost surely, 2^12166803 is an apocalyptic number.

12166803 is a deficient number, since it is larger than the sum of its proper divisors (7339437).

12166803 is a wasteful number, since it uses less digits than its factorization.

12166803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12166803 is about 3488.0944654639. The cubic root of 12166803 is about 229.9987586574.

The spelling of 12166803 in words is "twelve million, one hundred sixty-six thousand, eight hundred three".