11919028 has 24 divisors (see below), whose sum is σ = 23313024. Its totient is φ = 5284800.

The previous prime is 11919007. The next prime is 11919043. The reversal of 11919028 is 82091911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (971376).

Almost surely, 2^11919028 is an apocalyptic number.

It is an amenable number.

11919028 is a deficient number, since it is larger than the sum of its proper divisors (11393996).

11919028 is a wasteful number, since it uses less digits than its factorization.

11919028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 11919028 is about 3452.3945313362. The cubic root of 11919028 is about 228.4267425847.

The spelling of 11919028 in words is "eleven million, nine hundred nineteen thousand, twenty-eight".