11684540 has 36 divisors (see below), whose sum is σ = 28546056. Its totient is φ = 4005792.

The previous prime is 11684521. The next prime is 11684567. The reversal of 11684540 is 4548611.

11684540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4982 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (792946).

Almost surely, 2^11684540 is an apocalyptic number.

11684540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11684540 is an abundant number, since it is smaller than the sum of its proper divisors (16861516).

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

11684540 is a wasteful number, since it uses less digits than its factorization.

11684540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11946 (or 11937 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 11684540 is about 3418.2656421057. The cubic root of 11684540 is about 226.9188322043.

The spelling of 11684540 in words is "eleven million, six hundred eighty-four thousand, five hundred forty".