11643760 has 20 divisors (see below), whose sum is σ = 27071928. Its totient is φ = 4657472.

The previous prime is 11643743. The next prime is 11643763. The reversal of 11643760 is 6734611.

11643760 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 (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72694 + ... + 72853.

Almost surely, 2^11643760 is an apocalyptic number.

11643760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11643760 is an abundant number, since it is smaller than the sum of its proper divisors (15428168).

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

11643760 is a wasteful number, since it uses less digits than its factorization.

11643760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145560 (or 145554 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 11643760 is about 3412.2954151128. The cubic root of 11643760 is about 226.6545360675.

It can be divided in two parts, 11643 and 760, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 11643760 in words is "eleven million, six hundred forty-three thousand, seven hundred sixty".