11530540 has 24 divisors (see below), whose sum is σ = 27673632. Its totient is φ = 3953280.

The previous prime is 11530531. The next prime is 11530559. The reversal of 11530540 is 4503511.

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, 41041 + ... + 41320.

It is an arithmetic number, because the mean of its divisors is an integer number (1153068).

Almost surely, 2^11530540 is an apocalyptic number.

11530540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11530540 is an abundant number, since it is smaller than the sum of its proper divisors (16143092).

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

11530540 is a wasteful number, since it uses less digits than its factorization.

11530540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82377 (or 82375 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 11530540 is about 3395.6648833476. The cubic root of 11530540 is about 225.9175045451.

The spelling of 11530540 in words is "eleven million, five hundred thirty thousand, five hundred forty".