11822320 has 20 divisors (see below), whose sum is σ = 27487080. Its totient is φ = 4728896.

The previous prime is 11822287. The next prime is 11822329. The reversal of 11822320 is 2322811.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11822329) by changing a digit.

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, 73810 + ... + 73969.

It is an arithmetic number, because the mean of its divisors is an integer number (1374354).

Almost surely, 2^11822320 is an apocalyptic number.

11822320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11822320 is an abundant number, since it is smaller than the sum of its proper divisors (15664760).

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

11822320 is a wasteful number, since it uses less digits than its factorization.

11822320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147792 (or 147786 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11822320 is about 3438.3600742214. The cubic root of 11822320 is about 227.8072650481.

The spelling of 11822320 in words is "eleven million, eight hundred twenty-two thousand, three hundred twenty".