12272116 has 6 divisors (see below), whose sum is σ = 21476210. Its totient is φ = 6136056.

The previous prime is 12272093. The next prime is 12272129. The reversal of 12272116 is 61127221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 6022116 = 2500^2 + 2454^2 .

It is a super-2 number, since 2×12272116² = 301209662234912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534011 + ... + 1534018.

Almost surely, 2^12272116 is an apocalyptic number.

It is an amenable number.

12272116 is a deficient number, since it is larger than the sum of its proper divisors (9204094).

12272116 is a wasteful number, since it uses less digits than its factorization.

12272116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068033 (or 3068031 counting only the distinct ones).

The product of its digits is 336, while the sum is 22.

The square root of 12272116 is about 3503.1580038588. The cubic root of 12272116 is about 230.6604582883.

Adding to 12272116 its reverse (61127221), we get a palindrome (73399337).

The spelling of 12272116 in words is "twelve million, two hundred seventy-two thousand, one hundred sixteen".