11238028 has 6 divisors (see below), whose sum is σ = 19666556. Its totient is φ = 5619012.

The previous prime is 11238001. The next prime is 11238041. The reversal of 11238028 is 82083211.

It is a junction number, because it is equal to n+sod(n) for n = 11237993 and 11238011.

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, 1404750 + ... + 1404757.

Almost surely, 2^11238028 is an apocalyptic number.

It is an amenable number.

11238028 is a deficient number, since it is larger than the sum of its proper divisors (8428528).

11238028 is a wasteful number, since it uses less digits than its factorization.

11238028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809511 (or 2809509 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 11238028 is about 3352.3168108041. The cubic root of 11238028 is about 223.9907255939.

The spelling of 11238028 in words is "eleven million, two hundred thirty-eight thousand, twenty-eight".