12434447 has 2 divisors, whose sum is σ = 12434448. Its totient is φ = 12434446.

The previous prime is 12434369. The next prime is 12434449. The reversal of 12434447 is 74443421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12434447 - 2¹⁰ = 12433423 is a prime.

Together with 12434449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12434449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217223 + 6217224.

It is an arithmetic number, because the mean of its divisors is an integer number (6217224).

Almost surely, 2^12434447 is an apocalyptic number.

12434447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434447 is an equidigital number, since it uses as much as digits as its factorization.

12434447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 29.

The square root of 12434447 is about 3526.2511254872. The cubic root of 12434447 is about 231.6730369922.

Adding to 12434447 its reverse (74443421), we get a palindrome (86877868).

The spelling of 12434447 in words is "twelve million, four hundred thirty-four thousand, four hundred forty-seven".