12188149 has 8 divisors (see below), whose sum is σ = 12648960. Its totient is φ = 11730096.

The previous prime is 12188123. The next prime is 12188159. The reversal of 12188149 is 94188121.

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 12188149 - 2⁵ = 12188117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13692 + ... + 14554.

It is an arithmetic number, because the mean of its divisors is an integer number (1581120).

Almost surely, 2^12188149 is an apocalyptic number.

It is an amenable number.

12188149 is a deficient number, since it is larger than the sum of its proper divisors (460811).

12188149 is an equidigital number, since it uses as much as digits as its factorization.

12188149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 4608, while the sum is 34.

The square root of 12188149 is about 3491.1529614155. The cubic root of 12188149 is about 230.1331868803.

The spelling of 12188149 in words is "twelve million, one hundred eighty-eight thousand, one hundred forty-nine".