11280733 has 2 divisors, whose sum is σ = 11280734. Its totient is φ = 11280732.

The previous prime is 11280721. The next prime is 11280743. The reversal of 11280733 is 33708211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 4588164 = 2587^2 + 2142^2 .

It is a cyclic number.

It is not a de Polignac number, because 11280733 - 2⁵ = 11280701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11280698 and 11280707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11280743) by changing a digit.

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 as a sum of consecutive naturals, namely, 5640366 + 5640367.

It is an arithmetic number, because the mean of its divisors is an integer number (5640367).

Almost surely, 2^11280733 is an apocalyptic number.

It is an amenable number.

11280733 is a deficient number, since it is larger than the sum of its proper divisors (1).

11280733 is an equidigital number, since it uses as much as digits as its factorization.

11280733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 11280733 is about 3358.6802467636. The cubic root of 11280733 is about 224.2740918269.

Adding to 11280733 its reverse (33708211), we get a palindrome (44988944).

The spelling of 11280733 in words is "eleven million, two hundred eighty thousand, seven hundred thirty-three".