11549680 has 40 divisors (see below), whose sum is σ = 28024992. Its totient is φ = 4418304.

The previous prime is 11549677. The next prime is 11549689. The reversal of 11549680 is 8694511.

11549680 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 (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11549689) 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, 1299 + ... + 4978.

Almost surely, 2^11549680 is an apocalyptic number.

11549680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11549680 is an abundant number, since it is smaller than the sum of its proper divisors (16475312).

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

11549680 is a wasteful number, since it uses less digits than its factorization.

11549680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313 (or 6307 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 11549680 is about 3398.4820140763. The cubic root of 11549680 is about 226.0424385806.

The spelling of 11549680 in words is "eleven million, five hundred forty-nine thousand, six hundred eighty".