11804640 has 48 divisors (see below), whose sum is σ = 37186128. Its totient is φ = 3147776.

The previous prime is 11804603. The next prime is 11804641. The reversal of 11804640 is 4640811.

11804640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a self number, because there is not a number n which added to its sum of digits gives 11804640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11804641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11817 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (774711).

Almost surely, 2^11804640 is an apocalyptic number.

11804640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11804640 is an abundant number, since it is smaller than the sum of its proper divisors (25381488).

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

11804640 is a wasteful number, since it uses less digits than its factorization.

11804640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24611 (or 24603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 11804640 is about 3435.7881191948. The cubic root of 11804640 is about 227.6936482662.

The spelling of 11804640 in words is "eleven million, eight hundred four thousand, six hundred forty".