11930028 has 24 divisors (see below), whose sum is σ = 30367680. Its totient is φ = 3615120.

The previous prime is 11929993. The next prime is 11930041. The reversal of 11930028 is 82003911.

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 7 ways as a sum of consecutive naturals, for example, 45058 + ... + 45321.

It is an arithmetic number, because the mean of its divisors is an integer number (1265320).

Almost surely, 2^11930028 is an apocalyptic number.

It is an amenable number.

11930028 is an abundant number, since it is smaller than the sum of its proper divisors (18437652).

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

11930028 is a wasteful number, since it uses less digits than its factorization.

11930028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90397 (or 90395 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11930028 is about 3453.9872611230. The cubic root of 11930028 is about 228.4969922052.

Adding to 11930028 its reverse (82003911), we get a palindrome (93933939).

It can be divided in two parts, 11 and 930028, that added together give a palindrome (930039).

The spelling of 11930028 in words is "eleven million, nine hundred thirty thousand, twenty-eight".