11820570 has 16 divisors (see below), whose sum is σ = 28369440. Its totient is φ = 3152144.

The previous prime is 11820563. The next prime is 11820581. The reversal of 11820570 is 7502811.

11820570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11820570.

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, 196980 + ... + 197039.

It is an arithmetic number, because the mean of its divisors is an integer number (1773090).

Almost surely, 2^11820570 is an apocalyptic number.

11820570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11820570 is an abundant number, since it is smaller than the sum of its proper divisors (16548870).

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

11820570 is a wasteful number, since it uses less digits than its factorization.

11820570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394029.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 11820570 is about 3438.1055830210. The cubic root of 11820570 is about 227.7960240963.

The spelling of 11820570 in words is "eleven million, eight hundred twenty thousand, five hundred seventy".