12408443 has 2 divisors, whose sum is σ = 12408444. Its totient is φ = 12408442.

The previous prime is 12408427. The next prime is 12408479. The reversal of 12408443 is 34480421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12408443 - 2⁴ = 12408427 is a prime.

It is not a weakly prime, because it can be changed into another prime (12408043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6204221 + 6204222.

It is an arithmetic number, because the mean of its divisors is an integer number (6204222).

Almost surely, 2^12408443 is an apocalyptic number.

12408443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12408443 is an equidigital number, since it uses as much as digits as its factorization.

12408443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 12408443 is about 3522.5619937767. The cubic root of 12408443 is about 231.5114259949.

Adding to 12408443 its reverse (34480421), we get a palindrome (46888864).

The spelling of 12408443 in words is "twelve million, four hundred eight thousand, four hundred forty-three".