# Million Mystery

## Question

### What's the mystery number?

- It's greater than one million but less than ten million.
- It's an even number.
- None of the digits is less than 3.
- No digit is used more than once.
- The sum of the digits in the ones period is 12.
- The digit in the ten thousands place is equal to the sum of the digits in the tens and hundreds places.
- The digit in the millions place is 2 more than the digit in the thousands place.
- The digit in the hundred thousands place is twice the digit in the tens place.

What is the mystery number?