11573980 has 24 divisors (see below), whose sum is σ = 26515440. Its totient is φ = 4208640.

The previous prime is 11573977. The next prime is 11573993. The reversal of 11573980 is 8937511.

It is a happy number.

11573980 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, 26085 + ... + 26524.

It is an arithmetic number, because the mean of its divisors is an integer number (1104810).

Almost surely, 2^11573980 is an apocalyptic number.

11573980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11573980 is an abundant number, since it is smaller than the sum of its proper divisors (14941460).

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

11573980 is a wasteful number, since it uses less digits than its factorization.

11573980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52629 (or 52627 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 11573980 is about 3402.0552611620. The cubic root of 11573980 is about 226.2008551927.

The spelling of 11573980 in words is "eleven million, five hundred seventy-three thousand, nine hundred eighty".