It is a tau number, because it is divible by the number of its divisors (240).
It is a congruent number.
Almost surely, 211877840 is an apocalyptic number.
11877840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11877840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22748544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11877840 is a wasteful number, since it uses less digits than its factorization.
11877840 is an odious number, because the sum of its binary digits is odd.
The square root of 11877840 is about 3446.4242338981. The cubic root of 11877840 is about 228.1633178894.
The spelling of 11877840 in words is "eleven million, eight hundred seventy-seven thousand, eight hundred forty".