11228012 has 24 divisors (see below), whose sum is σ = 20837040. Its totient is φ = 5279040.

The previous prime is 11227987. The next prime is 11228023. The reversal of 11228012 is 21082211.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 11462 + ... + 12402.

It is an arithmetic number, because the mean of its divisors is an integer number (868210).

Almost surely, 2^11228012 is an apocalyptic number.

It is an amenable number.

11228012 is a deficient number, since it is larger than the sum of its proper divisors (9609028).

11228012 is a wasteful number, since it uses less digits than its factorization.

11228012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11228012 is about 3350.8225855751. The cubic root of 11228012 is about 223.9241611887.

The spelling of 11228012 in words is "eleven million, two hundred twenty-eight thousand, twelve".