11783220 has 24 divisors (see below), whose sum is σ = 32993184. Its totient is φ = 3142176.

The previous prime is 11783201. The next prime is 11783257. The reversal of 11783220 is 2238711.

11783220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 98134 + ... + 98253.

It is an arithmetic number, because the mean of its divisors is an integer number (1374716).

Almost surely, 2^11783220 is an apocalyptic number.

11783220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11783220 is an abundant number, since it is smaller than the sum of its proper divisors (21209964).

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

11783220 is a wasteful number, since it uses less digits than its factorization.

11783220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196399 (or 196397 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11783220 is about 3432.6695151150. The cubic root of 11783220 is about 227.5558450836. Note that the first 3 decimals are identical.

The spelling of 11783220 in words is "eleven million, seven hundred eighty-three thousand, two hundred twenty".