1133312 has 36 divisors (see below), whose sum is σ = 2391480. Its totient is φ = 534528.

The previous prime is 1133303. The next prime is 1133317. The reversal of 1133312 is 2133311.

It is not an unprimeable number, because it can be changed into a prime (1133317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4748 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (66430).

2^1133312 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 1133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195740).

1133312 is an abundant number, since it is smaller than the sum of its proper divisors (1258168).

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

1133312 is an equidigital number, since it uses as much as digits as its factorization.

1133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 254 counting only the distinct ones).

The product of its digits is 54, while the sum is 14.

The square root of 1133312 is about 1064.5712752089. The cubic root of 1133312 is about 104.2597059591.

Adding to 1133312 its reverse (2133311), we get a palindrome (3266623).

Subtracting 1133312 from its reverse (2133311), we obtain a palindrome (999999).

The spelling of 1133312 in words is "one million, one hundred thirty-three thousand, three hundred twelve".