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12836 = 223209
BaseRepresentation
bin11001000100100
3122121102
43020210
5402321
6135232
752265
oct31044
918542
1012836
11970a
127518
135ac5
14496c
153c0b
hex3224

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

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.

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

Divisors: 1 2 4 3209 6418 12836