11871600 has 120 divisors (see below), whose sum is σ = 41007792. Its totient is φ = 2918400.

The previous prime is 11871571. The next prime is 11871617. The reversal of 11871600 is 617811.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 23 ways as a sum of consecutive naturals, for example, 15220 + ... + 15980.

Almost surely, 2^11871600 is an apocalyptic number.

11871600 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 11871600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20503896).

11871600 is an abundant number, since it is smaller than the sum of its proper divisors (29136192).

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

11871600 is a wasteful number, since it uses less digits than its factorization.

11871600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 11871600 is about 3445.5188288558. The cubic root of 11871600 is about 228.1233558398.

The spelling of 11871600 in words is "eleven million, eight hundred seventy-one thousand, six hundred".