11605920 has 48 divisors (see below), whose sum is σ = 36560160. Its totient is φ = 3094784.

The previous prime is 11605907. The next prime is 11605931. The reversal of 11605920 is 2950611.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 11610 + ... + 12569.

It is an arithmetic number, because the mean of its divisors is an integer number (761670).

Almost surely, 2^11605920 is an apocalyptic number.

11605920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11605920 is an abundant number, since it is smaller than the sum of its proper divisors (24954240).

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

11605920 is a wasteful number, since it uses less digits than its factorization.

11605920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24197 (or 24189 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11605920 is about 3406.7462482551. The cubic root of 11605920 is about 226.4087416037.

The spelling of 11605920 in words is "eleven million, six hundred five thousand, nine hundred twenty".