11680520 has 32 divisors (see below), whose sum is σ = 26896320. Its totient is φ = 4562880.

The previous prime is 11680519. The next prime is 11680577. The reversal of 11680520 is 2508611.

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, 1676 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (840510).

Almost surely, 2^11680520 is an apocalyptic number.

11680520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11680520 is an abundant number, since it is smaller than the sum of its proper divisors (15215800).

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

11680520 is a wasteful number, since it uses less digits than its factorization.

11680520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845 (or 6841 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11680520 is about 3417.6775740260. The cubic root of 11680520 is about 226.8928058384.

The spelling of 11680520 in words is "eleven million, six hundred eighty thousand, five hundred twenty".