12808587 has 16 divisors (see below), whose sum is σ = 18692352. Its totient is φ = 7737120.

The previous prime is 12808583. The next prime is 12808589. The reversal of 12808587 is 78580821.

12808587 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 12808587 - 2² = 12808583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12808583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15673 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (1168272).

Almost surely, 2^12808587 is an apocalyptic number.

12808587 is a deficient number, since it is larger than the sum of its proper divisors (5883765).

12808587 is a wasteful number, since it uses less digits than its factorization.

12808587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 12808587 is about 3578.9086325303. The cubic root of 12808587 is about 233.9737168230.

The spelling of 12808587 in words is "twelve million, eight hundred eight thousand, five hundred eighty-seven".