11802028 has 12 divisors (see below), whose sum is σ = 23604112. Its totient is φ = 5058000.

The previous prime is 11802017. The next prime is 11802067. The reversal of 11802028 is 82020811.

11802028 is an admirable number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210723 + ... + 210778.

Almost surely, 2^11802028 is an apocalyptic number.

It is an amenable number.

11802028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11802028 is a wasteful number, since it uses less digits than its factorization.

11802028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421512 (or 421510 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 11802028 is about 3435.4079815940. The cubic root of 11802028 is about 227.6768531844.

Adding to 11802028 its reverse (82020811), we get a palindrome (93822839).

The spelling of 11802028 in words is "eleven million, eight hundred two thousand, twenty-eight".