CREATE TABLE table_1404456_1 (code INT, area__km_2__ VARCHAR)

what is the minimum code with area (km 2 ) being 12,245.9
SELECT MIN(code) FROM table_1404456_1 WHERE area__km_2__ = "12,245.9"
SELECT MIN("code") FROM "table_1404456_1" WHERE "12,245.9" = "area__km_2__"