11800580 has 24 divisors (see below), whose sum is σ = 27034560. Its totient is φ = 4291040.

The previous prime is 11800573. The next prime is 11800589. The reversal of 11800580 is 8500811.

It is not an unprimeable number, because it can be changed into a prime (11800589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26600 + ... + 27039.

It is an arithmetic number, because the mean of its divisors is an integer number (1126440).

Almost surely, 2^11800580 is an apocalyptic number.

11800580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11800580 is an abundant number, since it is smaller than the sum of its proper divisors (15233980).

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

11800580 is a wasteful number, since it uses less digits than its factorization.

11800580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53659 (or 53657 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 11800580 is about 3435.1972286901. The cubic root of 11800580 is about 227.6675415202.

The spelling of 11800580 in words is "eleven million, eight hundred thousand, five hundred eighty".