11705020 has 12 divisors (see below), whose sum is σ = 24580584. Its totient is φ = 4682000.

The previous prime is 11705017. The next prime is 11705033. The reversal of 11705020 is 2050711.

It is a junction number, because it is equal to n+sod(n) for n = 11704985 and 11705003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292606 + ... + 292645.

It is an arithmetic number, because the mean of its divisors is an integer number (2048382).

Almost surely, 2^11705020 is an apocalyptic number.

11705020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11705020 is an abundant number, since it is smaller than the sum of its proper divisors (12875564).

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

11705020 is a wasteful number, since it uses less digits than its factorization.

11705020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585260 (or 585258 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 11705020 is about 3421.2600018122. The cubic root of 11705020 is about 227.0513316480.

Adding to 11705020 its reverse (2050711), we get a palindrome (13755731).

The spelling of 11705020 in words is "eleven million, seven hundred five thousand, twenty".