Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

The next number is 15.
In the given series, there is actually a pair of series. Pick the alternate digits.
One series is:
0, 1, 2, 3, 4, 5
Here the digits are progressing by one.

Second series is:
0, 3, 6, 9, 12, _
Here the digits are a multiple of 3. Therefore, the next number will be 15.

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