12908324287 has 2 divisors, whose sum is σ = 12908324288. Its totient is φ = 12908324286.

The previous prime is 12908324227. The next prime is 12908324371. The reversal of 12908324287 is 78242380921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12908324287 - 2²⁷ = 12774106559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12908324227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454162143 + 6454162144.

It is an arithmetic number, because the mean of its divisors is an integer number (6454162144).

Almost surely, 2^12908324287 is an apocalyptic number.

12908324287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12908324287 is an equidigital number, since it uses as much as digits as its factorization.

12908324287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 12908324287 in words is "twelve billion, nine hundred eight million, three hundred twenty-four thousand, two hundred eighty-seven".