12189116 has 12 divisors (see below), whose sum is σ = 21356160. Its totient is φ = 6087360.

The previous prime is 12189097. The next prime is 12189139. The reversal of 12189116 is 61198121.

It is a super-2 number, since 2×12189116² = 297149097722912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (1779680).

Almost surely, 2^12189116 is an apocalyptic number.

It is an amenable number.

12189116 is a deficient number, since it is larger than the sum of its proper divisors (9167044).

12189116 is a wasteful number, since it uses less digits than its factorization.

12189116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3602 counting only the distinct ones).

The product of its digits is 864, while the sum is 29.

The square root of 12189116 is about 3491.2914515978. The cubic root of 12189116 is about 230.1392729263.

The spelling of 12189116 in words is "twelve million, one hundred eighty-nine thousand, one hundred sixteen".