[2] The album's style is a blend of alternative and progressive rock with ambient and electronic soundscapes.

I discovered Miles Davis at the age of nineteen, when a good friend of mine introduced me to his music.

—Robert Miles, interview on tokafi.com[4] Tom Ewing of The Guardian stated, "When the rhythm picks up – on Black Rubber and Antimony – Thirteen seems far more purposeful.

"[5] David Welsh of MusicOMH wrote, "Robert Miles, a law unto himself as his own boss, has taken no shortcuts, and Thirteen, as a result, is as rich and rewarding a musical experience as one could hope to encounter.

"[6] AllMusic's Jon O'Brien called the album "intriguing and fulfilling listen for his more recent converts.