12805716 has 48 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 3325920.

The previous prime is 12805711. The next prime is 12805717. The reversal of 12805716 is 61750821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6006 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

Almost surely, 2^12805716 is an apocalyptic number.

It is an amenable number.

12805716 is an abundant number, since it is smaller than the sum of its proper divisors (24449964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12805716 is a wasteful number, since it uses less digits than its factorization.

12805716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13884 (or 13882 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12805716 is about 3578.5075101221. The cubic root of 12805716 is about 233.9562340531.

It can be divided in two parts, 1280 and 5716, that added together give a palindrome (6996).

The spelling of 12805716 in words is "twelve million, eight hundred five thousand, seven hundred sixteen".