Let \( A = \{1, 2, 3, 4, 5, 6, 7\} \). Define \( B = \{T \subseteq A : \) either \( 1 \notin T \) or \( 2 \in T\} \) and \( C = \{T \subseteq A : T \) the sum of all the element of \( T \) is a prime number\( \} \). Then the number of element in the set \( B \cup C \) is \( \_ \_ \_ \_ \_ \_ \)
