12810836 has 6 divisors (see below), whose sum is σ = 22418970. Its totient is φ = 6405416.

The previous prime is 12810829. The next prime is 12810857. The reversal of 12810836 is 63801821.

12810836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 1210000 = 3406^2 + 1100^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12810799 and 12810808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601351 + ... + 1601358.

It is an arithmetic number, because the mean of its divisors is an integer number (3736495).

Almost surely, 2^12810836 is an apocalyptic number.

It is an amenable number.

12810836 is a deficient number, since it is larger than the sum of its proper divisors (9608134).

12810836 is a wasteful number, since it uses less digits than its factorization.

12810836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202713 (or 3202711 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12810836 is about 3579.2228206693. Note that the first 3 decimals coincide. The cubic root of 12810836 is about 233.9874101391.

The spelling of 12810836 in words is "twelve million, eight hundred ten thousand, eight hundred thirty-six".