11718680 has 32 divisors (see below), whose sum is σ = 26470800. Its totient is φ = 4669056.

The previous prime is 11718647. The next prime is 11718689. The reversal of 11718680 is 8681711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718689) 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, 14774 + ... + 15546.

Almost surely, 2^11718680 is an apocalyptic number.

11718680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11718680 is an abundant number, since it is smaller than the sum of its proper divisors (14752120).

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

11718680 is a wasteful number, since it uses less digits than its factorization.

11718680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 11718680 is about 3423.2557602376. The cubic root of 11718680 is about 227.1396218420.

The spelling of 11718680 in words is "eleven million, seven hundred eighteen thousand, six hundred eighty".