12132187 has 8 divisors (see below), whose sum is σ = 12474000. Its totient is φ = 11792640.

The previous prime is 12132151. The next prime is 12132217. The reversal of 12132187 is 78123121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12132187 - 2¹⁵ = 12099419 is a prime.

It is a super-2 number, since 2×12132187² = 294379922805938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20163 + ... + 20755.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 2^12132187 is an apocalyptic number.

12132187 is a deficient number, since it is larger than the sum of its proper divisors (341813).

12132187 is an equidigital number, since it uses as much as digits as its factorization.

12132187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 672, while the sum is 25.

The square root of 12132187 is about 3483.1289094721. The cubic root of 12132187 is about 229.7804268687.

The spelling of 12132187 in words is "twelve million, one hundred thirty-two thousand, one hundred eighty-seven".