12430447 has 2 divisors, whose sum is σ = 12430448. Its totient is φ = 12430446.

The previous prime is 12430433. The next prime is 12430463. The reversal of 12430447 is 74403421.

It is a weak prime.

It is an emirp because it is prime and its reverse (74403421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12430447 - 2¹⁹ = 11906159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12430547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215223 + 6215224.

It is an arithmetic number, because the mean of its divisors is an integer number (6215224).

Almost surely, 2^12430447 is an apocalyptic number.

12430447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430447 is an equidigital number, since it uses as much as digits as its factorization.

12430447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 12430447 is about 3525.6839052870. The cubic root of 12430447 is about 231.6481922596.

Adding to 12430447 its reverse (74403421), we get a palindrome (86833868).

The spelling of 12430447 in words is "twelve million, four hundred thirty thousand, four hundred forty-seven".