12836 has 6 divisors (see below), whose sum is σ = 22470. Its totient is φ = 6416.

The previous prime is 12829. The next prime is 12841. The reversal of 12836 is 63821.

It can be written as a sum of positive squares in only one way, i.e., 11236 + 1600 = 106^2 + 40^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (3745).

2¹²⁸³⁶ is an apocalyptic number.

It is an amenable number.

12836 is a deficient number, since it is larger than the sum of its proper divisors (9634).

12836 is a wasteful number, since it uses less digits than its factorization.

12836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3211 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 12836 is about 113.2960723061. The cubic root of 12836 is about 23.4140515113.

It can be divided in two parts, 12 and 836, that added together give a palindrome (848).

The spelling of 12836 in words is "twelve thousand, eight hundred thirty-six".