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12844 = 2213219
BaseRepresentation
bin11001000101100
3122121201
43020230
5402334
6135244
752306
oct31054
918551
1012844
119717
127524
135b00
144976
153c14
hex322c

12844 has 18 divisors (see below), whose sum is σ = 25620. Its totient is φ = 5616.

The previous prime is 12841. The next prime is 12853. The reversal of 12844 is 44821.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667 + ... + 685.

212844 is an apocalyptic number.

It is an amenable number.

12844 is a deficient number, since it is larger than the sum of its proper divisors (12776).

12844 is a wasteful number, since it uses less digits than its factorization.

12844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 34 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 12844 is about 113.3313725321. The cubic root of 12844 is about 23.4189147478.

Multiplying 12844 by its sum of digits (19), we get a square (244036 = 4942).

12844 divided by its sum of digits (19) gives a palindrome (676).

The spelling of 12844 in words is "twelve thousand, eight hundred forty-four".

Divisors: 1 2 4 13 19 26 38 52 76 169 247 338 494 676 988 3211 6422 12844