11928212 has 12 divisors (see below), whose sum is σ = 21383796. Its totient is φ = 5818560.

The previous prime is 11928209. The next prime is 11928227. The reversal of 11928212 is 21282911.

It can be written as a sum of positive squares in 2 ways, for example, as 5597956 + 6330256 = 2366^2 + 2516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36203 + ... + 36530.

It is an arithmetic number, because the mean of its divisors is an integer number (1781983).

Almost surely, 2^11928212 is an apocalyptic number.

It is an amenable number.

11928212 is a deficient number, since it is larger than the sum of its proper divisors (9455584).

11928212 is a wasteful number, since it uses less digits than its factorization.

11928212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72778 (or 72776 counting only the distinct ones).

The product of its digits is 576, while the sum is 26.

The square root of 11928212 is about 3453.7243665353. The cubic root of 11928212 is about 228.4853976084.

The spelling of 11928212 in words is "eleven million, nine hundred twenty-eight thousand, two hundred twelve".