12194343 has 24 divisors (see below), whose sum is σ = 20625696. Its totient is φ = 6796800.

The previous prime is 12194339. The next prime is 12194353. The reversal of 12194343 is 34349121.

It is not a de Polignac number, because 12194343 - 2² = 12194339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12194353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (859404).

Almost surely, 2^12194343 is an apocalyptic number.

12194343 is a deficient number, since it is larger than the sum of its proper divisors (8431353).

12194343 is a wasteful number, since it uses less digits than its factorization.

12194343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4772 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12194343 is about 3492.0399482251. The cubic root of 12194343 is about 230.1721647310.

The spelling of 12194343 in words is "twelve million, one hundred ninety-four thousand, three hundred forty-three".