11281338 has 12 divisors (see below), whose sum is σ = 24442938. Its totient is φ = 3760440.

The previous prime is 11281321. The next prime is 11281343. The reversal of 11281338 is 83318211.

11281338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9199089 + 2082249 = 3033^2 + 1443^2 .

It is a Curzon number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313353 + ... + 313388.

Almost surely, 2^11281338 is an apocalyptic number.

11281338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11281338 is an abundant number, since it is smaller than the sum of its proper divisors (13161600).

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

11281338 is a wasteful number, since it uses less digits than its factorization.

11281338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626749 (or 626746 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11281338 is about 3358.7703106941. The cubic root of 11281338 is about 224.2781011231.

Adding to 11281338 its reverse (83318211), we get a palindrome (94599549).

The spelling of 11281338 in words is "eleven million, two hundred eighty-one thousand, three hundred thirty-eight".