12448771 has 2 divisors, whose sum is σ = 12448772. Its totient is φ = 12448770.

The previous prime is 12448769. The next prime is 12448817. The reversal of 12448771 is 17784421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12448771 - 2¹ = 12448769 is a prime.

Together with 12448769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12448721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6224385 + 6224386.

It is an arithmetic number, because the mean of its divisors is an integer number (6224386).

Almost surely, 2^12448771 is an apocalyptic number.

12448771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12448771 is an equidigital number, since it uses as much as digits as its factorization.

12448771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 34.

The square root of 12448771 is about 3528.2815930705. The cubic root of 12448771 is about 231.7619623017.

The spelling of 12448771 in words is "twelve million, four hundred forty-eight thousand, seven hundred seventy-one".