12806860 has 48 divisors (see below), whose sum is σ = 30627072. Its totient is φ = 4452800.

The previous prime is 12806749. The next prime is 12806861. The reversal of 12806860 is 6860821.

12806860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12806861) 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, 3795 + ... + 6325.

It is an arithmetic number, because the mean of its divisors is an integer number (638064).

Almost surely, 2^12806860 is an apocalyptic number.

12806860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12806860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15313536).

12806860 is an abundant number, since it is smaller than the sum of its proper divisors (17820212).

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

12806860 is a wasteful number, since it uses less digits than its factorization.

12806860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 12806860 is about 3578.6673497267. The cubic root of 12806860 is about 233.9632006806.

The spelling of 12806860 in words is "twelve million, eight hundred six thousand, eight hundred sixty".