12189343 has 2 divisors, whose sum is σ = 12189344. Its totient is φ = 12189342.

The previous prime is 12189337. The next prime is 12189349. The reversal of 12189343 is 34398121.

It is a balanced prime because it is at equal distance from previous prime (12189337) and next prime (12189349).

It is a cyclic number.

It is not a de Polignac number, because 12189343 - 2¹⁷ = 12058271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12189349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094671 + 6094672.

It is an arithmetic number, because the mean of its divisors is an integer number (6094672).

Almost surely, 2^12189343 is an apocalyptic number.

12189343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12189343 is an equidigital number, since it uses as much as digits as its factorization.

12189343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 12189343 is about 3491.3239609065. The cubic root of 12189343 is about 230.1407015585.

The spelling of 12189343 in words is "twelve million, one hundred eighty-nine thousand, three hundred forty-three".