12134243 has 18 divisors (see below), whose sum is σ = 14209188. Its totient is φ = 10352320.

The previous prime is 12134233. The next prime is 12134249. The reversal of 12134243 is 34243121.

It is not a de Polignac number, because 12134243 - 2¹⁸ = 11872099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34796 + ... + 35142.

Almost surely, 2^12134243 is an apocalyptic number.

12134243 is a deficient number, since it is larger than the sum of its proper divisors (2074945).

12134243 is a wasteful number, since it uses less digits than its factorization.

12134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 375 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 12134243 is about 3483.4240339069. The cubic root of 12134243 is about 229.7934061684.

Adding to 12134243 its reverse (34243121), we get a palindrome (46377364).

The spelling of 12134243 in words is "twelve million, one hundred thirty-four thousand, two hundred forty-three".