I AM A NUMBER. ROUNDING TO THE NEAREST THOUSAND MAKES ME 1,000. ALL MY DIGITS ARE EVEN, THEIR SUM IS 12, THEY ARE IN ORDER FROM GREATEST TO LEAST, AND NO DIGIT IS REPEATED. WHAT NUMBER AM I?

2 answers

Between 500 and 1499 so three or 4 digits.
Try 3
864 no
642 ah hah
642