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11273 has 2 divisors, whose sum is σ = 11274. Its totient is φ = 11272.

The previous prime is 11261. The next prime is 11279. The reversal of 11273 is 37211.

Adding to 11273 its reverse (37211), we get a palindrome (48484).

It can be divided in two parts, 11 and 273, that multiplied together give a palindrome (3003).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8464 + 2809 = 92^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 11273 - 24 = 11257 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (11279) 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 as a sum of consecutive naturals, namely, 5636 + 5637.

It is an arithmetic number, because the mean of its divisors is an integer number (5637).

211273 is an apocalyptic number.

It is an amenable number.

11273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11273 is an equidigital number, since it uses as much as digits as its factorization.

11273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42, while the sum is 14.

The square root of 11273 is about 106.1743848581. The cubic root of 11273 is about 22.4222833101.

The spelling of 11273 in words is "eleven thousand, two hundred seventy-three", and thus it is an iban number.