12343189 has 2 divisors, whose sum is σ = 12343190. Its totient is φ = 12343188.

The previous prime is 12343171. The next prime is 12343231. The reversal of 12343189 is 98134321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 128164 = 3495^2 + 358^2 .

It is an emirp because it is prime and its reverse (98134321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12343189 - 2¹¹ = 12341141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12343189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12343129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171594 + 6171595.

It is an arithmetic number, because the mean of its divisors is an integer number (6171595).

Almost surely, 2^12343189 is an apocalyptic number.

It is an amenable number.

12343189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343189 is an equidigital number, since it uses as much as digits as its factorization.

12343189 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 12343189 is about 3513.2874917945. The cubic root of 12343189 is about 231.1048854356.

The spelling of 12343189 in words is "twelve million, three hundred forty-three thousand, one hundred eighty-nine".