An electronic device includes a touch panel, an operation position detecting unit that detects an operation position, in a locked state, at which a touch operation has been made on the touch panel, an ear pinna determining unit that determines whether the touch operation has been made by a user's ear pinna, according to the detected operation position, and an ear pinna operation accepting unit that, if the touch operation is determined to have been made by the user's ear pinna, accepts an operation input made by the touch operation by the ear pinna.