12272564 has 6 divisors (see below), whose sum is σ = 21476994. Its totient is φ = 6136280.

The previous prime is 12272551. The next prime is 12272581. The reversal of 12272564 is 46527221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 4376464 = 2810^2 + 2092^2 .

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, 1534067 + ... + 1534074.

It is an arithmetic number, because the mean of its divisors is an integer number (3579499).

Almost surely, 2^12272564 is an apocalyptic number.

It is an amenable number.

12272564 is a deficient number, since it is larger than the sum of its proper divisors (9204430).

12272564 is a wasteful number, since it uses less digits than its factorization.

12272564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068145 (or 3068143 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 12272564 is about 3503.2219455810. The cubic root of 12272564 is about 230.6632650476.

Adding to 12272564 its reverse (46527221), we get a palindrome (58799785).

The spelling of 12272564 in words is "twelve million, two hundred seventy-two thousand, five hundred sixty-four".