12808587429 has 40 divisors (see below), whose sum is σ = 21023624160. Its totient is φ = 7706858400.

The previous prime is 12808587419. The next prime is 12808587497. The reversal of 12808587429 is 92478580821.

12808587429 is a `hidden beast` number, since 12 + 8 + 0 + 8 + 587 + 42 + 9 = 666.

It is not a de Polignac number, because 12808587429 - 2²⁹ = 12271716517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808587419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72139 + ... + 175559.

It is an arithmetic number, because the mean of its divisors is an integer number (525590604).

Almost surely, 2^12808587429 is an apocalyptic number.

It is an amenable number.

12808587429 is a deficient number, since it is larger than the sum of its proper divisors (8215036731).

12808587429 is a wasteful number, since it uses less digits than its factorization.

12808587429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103583 (or 103574 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 12808587429 in words is "twelve billion, eight hundred eight million, five hundred eighty-seven thousand, four hundred twenty-nine".