12408898671 has 24 divisors (see below), whose sum is σ = 19355394240. Its totient is φ = 7615411776.

The previous prime is 12408898669. The next prime is 12408898741. The reversal of 12408898671 is 17689880421.

12408898671 is a `hidden beast` number, since 12 + 408 + 89 + 86 + 71 = 666.

12408898671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12408898671 - 2¹ = 12408898669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408898661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101556 + ... + 187433.

It is an arithmetic number, because the mean of its divisors is an integer number (806474760).

Almost surely, 2^12408898671 is an apocalyptic number.

12408898671 is a deficient number, since it is larger than the sum of its proper divisors (6946495569).

12408898671 is a wasteful number, since it uses less digits than its factorization.

12408898671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289375 (or 289372 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 12408898671 in words is "twelve billion, four hundred eight million, eight hundred ninety-eight thousand, six hundred seventy-one".