12272812 has 6 divisors (see below), whose sum is σ = 21477428. Its totient is φ = 6136404.

The previous prime is 12272801. The next prime is 12272831. The reversal of 12272812 is 21827221.

12272812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534098 + ... + 1534105.

Almost surely, 2^12272812 is an apocalyptic number.

It is an amenable number.

12272812 is a deficient number, since it is larger than the sum of its proper divisors (9204616).

12272812 is a wasteful number, since it uses less digits than its factorization.

12272812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068207 (or 3068205 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 12272812 is about 3503.2573413896. The cubic root of 12272812 is about 230.6648187600.

The spelling of 12272812 in words is "twelve million, two hundred seventy-two thousand, eight hundred twelve".