11940180 has 48 divisors (see below), whose sum is σ = 38209920. Its totient is φ = 2729088.

The previous prime is 11940169. The next prime is 11940217. The reversal of 11940180 is 8104911.

It is a self number, because there is not a number n which added to its sum of digits gives 11940180.

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 15 ways as a sum of consecutive naturals, for example, 13795 + ... + 14634.

It is an arithmetic number, because the mean of its divisors is an integer number (796040).

Almost surely, 2^11940180 is an apocalyptic number.

11940180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11940180 is an abundant number, since it is smaller than the sum of its proper divisors (26269740).

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

11940180 is a wasteful number, since it uses less digits than its factorization.

11940180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28448 (or 28446 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11940180 is about 3455.4565544946. The cubic root of 11940180 is about 228.5617879118.

The spelling of 11940180 in words is "eleven million, nine hundred forty thousand, one hundred eighty".