11327720 has 16 divisors (see below), whose sum is σ = 25487460. Its totient is φ = 4531072.

The previous prime is 11327717. The next prime is 11327737. The reversal of 11327720 is 2772311.

11327720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 972196 = 3218^2 + 986^2 .

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, 141557 + ... + 141636.

Almost surely, 2^11327720 is an apocalyptic number.

11327720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11327720 is an abundant number, since it is smaller than the sum of its proper divisors (14159740).

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

11327720 is a wasteful number, since it uses less digits than its factorization.

11327720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283204 (or 283200 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 11327720 is about 3365.6678386317. The cubic root of 11327720 is about 224.5850458949.

The spelling of 11327720 in words is "eleven million, three hundred twenty-seven thousand, seven hundred twenty".