11719880 has 32 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 4483776.

The previous prime is 11719867. The next prime is 11719889. The reversal of 11719880 is 8891711.

It is a self number, because there is not a number n which added to its sum of digits gives 11719880.

It is not an unprimeable number, because it can be changed into a prime (11719889) by changing a digit.

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, 5450 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^11719880 is an apocalyptic number.

11719880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11719880 is an abundant number, since it is smaller than the sum of its proper divisors (15798520).

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

11719880 is a wasteful number, since it uses less digits than its factorization.

11719880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12773 (or 12769 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 11719880 is about 3423.4310274927. The cubic root of 11719880 is about 227.1473746561.

The spelling of 11719880 in words is "eleven million, seven hundred nineteen thousand, eight hundred eighty".