11812

11812 is a natural number following 11811 and preceding 11813. It is an even composite number with a simple prime factorization: 11812 = 2^2 × 2953, where 2953 is a prime. Consequently, its divisors are 1, 2, 4, 2953, 5906, and 11812, giving a total of six divisors. The sum of its divisors is 20678, and the sum of its proper divisors is 8866, which means 11812 is a deficient number (its proper divisors sum to less than the number itself).

In different numeral systems, 11812 has the representations: binary 10111000100100, octal 27044, and hexadecimal 0x2E24. The decimal digit sum is 13, and the digital root is 4. The number is not a square or a cube and is not prime.

From a mathematical standpoint, 11812 can appear in discussions of factorization, divisor functions, and modular arithmetic. For example, modulo 3 it is congruent to 1, and modulo 5 it is congruent to 2. Its evenness and factorization structure make it a straightforward example in introductory number theory and arithmetic exercises.

In addition to its role as a plain integer, 11812 may be encountered as a catalog or designation number in various fields, such as lists of numbered minor planets or other standardized identifiers. As with many integers, its significance is primarily contextual rather than intrinsic.