1188896 has 24 divisors (see below), whose sum is σ = 2388204. Its totient is φ = 582400.

The previous prime is 1188857. The next prime is 1188899. The reversal of 1188896 is 6988811.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 115600 = 1036^2 + 340^2 .

It is not an unprimeable number, because it can be changed into a prime (1188899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346 + ... + 2046.

2^1188896 is an apocalyptic number.

1188896 is a gapful number since it is divisible by the number (16) 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 1188896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194102).

1188896 is an abundant number, since it is smaller than the sum of its proper divisors (1199308).

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

1188896 is an equidigital number, since it uses as much as digits as its factorization.

1188896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 756 counting only the distinct ones).

The product of its digits is 27648, while the sum is 41.

The square root of 1188896 is about 1090.3650764767. The cubic root of 1188896 is about 105.9370695649.

The spelling of 1188896 in words is "one million, one hundred eighty-eight thousand, eight hundred ninety-six".