11272556 has 12 divisors (see below), whose sum is σ = 20050800. Its totient is φ = 5543760.

The previous prime is 11272523. The next prime is 11272559. The reversal of 11272556 is 65527211.

It is not an unprimeable number, because it can be changed into a prime (11272559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22856 + ... + 23343.

It is an arithmetic number, because the mean of its divisors is an integer number (1670900).

Almost surely, 2^11272556 is an apocalyptic number.

It is an amenable number.

11272556 is a deficient number, since it is larger than the sum of its proper divisors (8778244).

11272556 is a wasteful number, since it uses less digits than its factorization.

11272556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46264 (or 46262 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 11272556 is about 3357.4627324812. The cubic root of 11272556 is about 224.2198893049.

Adding to 11272556 its reverse (65527211), we get a palindrome (76799767).

The spelling of 11272556 in words is "eleven million, two hundred seventy-two thousand, five hundred fifty-six".