11489680 has 40 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 4353408.

The previous prime is 11489677. The next prime is 11489693. The reversal of 11489680 is 8698411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^11489680 is an apocalyptic number.

11489680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11489680 is an abundant number, since it is smaller than the sum of its proper divisors (16633520).

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

11489680 is a wasteful number, since it uses less digits than its factorization.

11489680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591 (or 7585 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 11489680 is about 3389.6430490540. The cubic root of 11489680 is about 225.6503324815.

The spelling of 11489680 in words is "eleven million, four hundred eighty-nine thousand, six hundred eighty".