11383220 has 12 divisors (see below), whose sum is σ = 23904804. Its totient is φ = 4553280.

The previous prime is 11383213. The next prime is 11383237. The reversal of 11383220 is 2238311.

It can be written as a sum of positive squares in 2 ways, for example, as 7431076 + 3952144 = 2726^2 + 1988^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 569161 = 11383220 / (1 + 1 + 3 + 8 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 11383192 and 11383201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284561 + ... + 284600.

It is an arithmetic number, because the mean of its divisors is an integer number (1992067).

Almost surely, 2^11383220 is an apocalyptic number.

11383220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11383220 is an abundant number, since it is smaller than the sum of its proper divisors (12521584).

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

11383220 is a wasteful number, since it uses less digits than its factorization.

11383220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569170 (or 569168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11383220 is about 3373.9027846101. The cubic root of 11383220 is about 224.9512322289.

The spelling of 11383220 in words is "eleven million, three hundred eighty-three thousand, two hundred twenty".