11708820 has 48 divisors (see below), whose sum is σ = 36429120. Its totient is φ = 3122208.

The previous prime is 11708819. The next prime is 11708831. The reversal of 11708820 is 2880711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10302 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (758940).

Almost surely, 2^11708820 is an apocalyptic number.

11708820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11708820 is an abundant number, since it is smaller than the sum of its proper divisors (24720300).

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

11708820 is a wasteful number, since it uses less digits than its factorization.

11708820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21701 (or 21693 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 11708820 is about 3421.8153076985. The cubic root of 11708820 is about 227.0758995032.

The spelling of 11708820 in words is "eleven million, seven hundred eight thousand, eight hundred twenty".