12408871 has 2 divisors, whose sum is σ = 12408872. Its totient is φ = 12408870.

The previous prime is 12408857. The next prime is 12408889. The reversal of 12408871 is 17880421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12408871 - 2⁷ = 12408743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12408271) 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, 6204435 + 6204436.

It is an arithmetic number, because the mean of its divisors is an integer number (6204436).

Almost surely, 2^12408871 is an apocalyptic number.

12408871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12408871 is an equidigital number, since it uses as much as digits as its factorization.

12408871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12408871 is about 3522.6227444902. The cubic root of 12408871 is about 231.5140877780.

The spelling of 12408871 in words is "twelve million, four hundred eight thousand, eight hundred seventy-one".