11272564 has 24 divisors (see below), whose sum is σ = 21115080. Its totient is φ = 5246976.

The previous prime is 11272559. The next prime is 11272577. The reversal of 11272564 is 46527211.

It can be written as a sum of positive squares in 4 ways, for example, as 1299600 + 9972964 = 1140^2 + 3158^2 .

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, 5742 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (879795).

Almost surely, 2^11272564 is an apocalyptic number.

It is an amenable number.

11272564 is a deficient number, since it is larger than the sum of its proper divisors (9842516).

11272564 is a wasteful number, since it uses less digits than its factorization.

11272564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1825 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 11272564 is about 3357.4639238568. The cubic root of 11272564 is about 224.2199423470.

Adding to 11272564 its reverse (46527211), we get a palindrome (57799775).

The spelling of 11272564 in words is "eleven million, two hundred seventy-two thousand, five hundred sixty-four".