11773888 has 56 divisors (see below), whose sum is σ = 27395424. Its totient is φ = 4915200.

The previous prime is 11773871. The next prime is 11773889. The reversal of 11773888 is 88837711.

It is a happy number.

11773888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11773889) 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, 18048 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (489204).

Almost surely, 2^11773888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11773888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13697712).

11773888 is an abundant number, since it is smaller than the sum of its proper divisors (15621536).

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

11773888 is an equidigital number, since it uses as much as digits as its factorization.

11773888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 691 counting only the distinct ones).

The product of its digits is 75264, while the sum is 43.

The square root of 11773888 is about 3431.3099539389. The cubic root of 11773888 is about 227.4957564720.

The spelling of 11773888 in words is "eleven million, seven hundred seventy-three thousand, eight hundred eighty-eight".