12189675 has 12 divisors (see below), whose sum is σ = 20153720. Its totient is φ = 6501120.

The previous prime is 12189647. The next prime is 12189677. The reversal of 12189675 is 57698121.

It is not a de Polignac number, because 12189675 - 2¹³ = 12181483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81190 + ... + 81339.

Almost surely, 2^12189675 is an apocalyptic number.

12189675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12189675 is a deficient number, since it is larger than the sum of its proper divisors (7964045).

12189675 is a wasteful number, since it uses less digits than its factorization.

12189675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162542 (or 162537 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 12189675 is about 3491.3715070155. The cubic root of 12189675 is about 230.1427909798.

The spelling of 12189675 in words is "twelve million, one hundred eighty-nine thousand, six hundred seventy-five".