Did Jesus have 12 or 13 Apostles?

Did Jesus have 12 or 13 Apostles?

Jesus called 12 Apostles during His ministry.  When Judas Iscariot, the twelfth Apostle, died by suicide, Matthias was chosen to replace him, reconstituting the Twelve. 

Nonetheless, in a case foreshadowed by the tribes of Israel, in which the twelfth portion of the Patriarch Joseph was shared by his two sons Manasseh and Ephraim, both St. Matthias and St. Paul, whom the Lord Himself would later call, share the twelfth apostleship of Judas.