12722206 has 16 divisors (see below), whose sum is σ = 22118400. Its totient is φ = 5375160.

The previous prime is 12722189. The next prime is 12722219. The reversal of 12722206 is 60222721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406 + ... + 7393.

It is an arithmetic number, because the mean of its divisors is an integer number (1382400).

Almost surely, 2^12722206 is an apocalyptic number.

12722206 is a deficient number, since it is larger than the sum of its proper divisors (9396194).

12722206 is a wasteful number, since it uses less digits than its factorization.

12722206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12879.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12722206 is about 3566.8201524607. The cubic root of 12722206 is about 233.4465577477.

Adding to 12722206 its reverse (60222721), we get a palindrome (72944927).

The spelling of 12722206 in words is "twelve million, seven hundred twenty-two thousand, two hundred six".