12261

12261 is a natural number following 12260 and preceding 12262. In mathematical terms, it is a composite, squarefree number that factors into three distinct primes.

Its prime factorization is 12261 = 3 × 61 × 67. Because it is the product of three distinct primes, 12261 is an example of a 3-almost prime. The eight positive divisors of 12261 are 1, 3, 61, 67, 183, 201, 4087, and 12261. Notably, 61 and 67 are consecutive primes.

In different numeral systems, 12261 has the following representations: in binary it is 10111111100101, in octal it is 27745, and in hexadecimal it is 0x2FE5.

Properties of 12261 include its oddness and divisibility by 3, as indicated by the sum of its digits (1+2+2+6+1 = 12, which is divisible by 3). The number is not divisible by 9 or higher powers of 3, since the digit sum is not a multiple of 9. As a squarefree product of three primes, its totient value is φ(12261) = 12261 × (1 − 1/3) × (1 − 1/61) × (1 − 1/67) = 12261 × (2/3) × (60/61) × (66/67) = 2440.