12188343 has 4 divisors (see below), whose sum is σ = 16251128. Its totient is φ = 8125560.

The previous prime is 12188273. The next prime is 12188347. The reversal of 12188343 is 34388121.

12188343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12188343 - 2⁹ = 12187831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 12188343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188347) 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 3 ways as a sum of consecutive naturals, for example, 2031388 + ... + 2031393.

It is an arithmetic number, because the mean of its divisors is an integer number (4062782).

Almost surely, 2^12188343 is an apocalyptic number.

12188343 is a deficient number, since it is larger than the sum of its proper divisors (4062785).

12188343 is an equidigital number, since it uses as much as digits as its factorization.

12188343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062784.

The product of its digits is 4608, while the sum is 30.

The square root of 12188343 is about 3491.1807458222. The cubic root of 12188343 is about 230.1344078916.

The spelling of 12188343 in words is "twelve million, one hundred eighty-eight thousand, three hundred forty-three".