11804520 has 256 divisors, whose sum is σ = 46448640. Its totient is φ = 2331648.

The previous prime is 11804503. The next prime is 11804549. The reversal of 11804520 is 2540811.

11804520 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251137 + ... + 251183.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^11804520 is an apocalyptic number.

11804520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11804520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

11804520 is an abundant number, since it is smaller than the sum of its proper divisors (34644120).

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

11804520 is a wasteful number, since it uses less digits than its factorization.

11804520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11804520 is about 3435.7706559082. The cubic root of 11804520 is about 227.6928767241.

The spelling of 11804520 in words is "eleven million, eight hundred four thousand, five hundred twenty".