12197443 has 2 divisors, whose sum is σ = 12197444. Its totient is φ = 12197442.

The previous prime is 12197441. The next prime is 12197489. The reversal of 12197443 is 34479121.

12197443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12197443 - 2¹ = 12197441 is a prime.

Together with 12197441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12197441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098721 + 6098722.

It is an arithmetic number, because the mean of its divisors is an integer number (6098722).

Almost surely, 2^12197443 is an apocalyptic number.

12197443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12197443 is an equidigital number, since it uses as much as digits as its factorization.

12197443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 12197443 is about 3492.4837866481. The cubic root of 12197443 is about 230.1916675791.

The spelling of 12197443 in words is "twelve million, one hundred ninety-seven thousand, four hundred forty-three".