12140166 has 16 divisors (see below), whose sum is σ = 24377904. Its totient is φ = 4030464.

The previous prime is 12140153. The next prime is 12140201. The reversal of 12140166 is 66104121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2395 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1523619).

Almost surely, 2^12140166 is an apocalyptic number.

12140166 is an abundant number, since it is smaller than the sum of its proper divisors (12237738).

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

12140166 is a wasteful number, since it uses less digits than its factorization.

12140166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12140166 is about 3484.2740994359. The cubic root of 12140166 is about 229.8307892159.

Adding to 12140166 its reverse (66104121), we get a palindrome (78244287).

The spelling of 12140166 in words is "twelve million, one hundred forty thousand, one hundred sixty-six".