CREATE TABLE table_1404456_1 (capital VARCHAR2, area__km_2__ VARCHAR2)

what's the capital with area (km 2 ) being 12,245.9
SELECT capital FROM table_1404456_1 WHERE area__km_2__ = "12,245.9"
SELECT "capital" FROM "table_1404456_1" WHERE "12,245.9" = "area__km_2__"