11288213 has 2 divisors, whose sum is σ = 11288214. Its totient is φ = 11288212.

The previous prime is 11288197. The next prime is 11288237. The reversal of 11288213 is 31288211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 3659569 = 2762^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 11288213 - 2⁴ = 11288197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11288113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644106 + 5644107.

It is an arithmetic number, because the mean of its divisors is an integer number (5644107).

Almost surely, 2^11288213 is an apocalyptic number.

It is an amenable number.

11288213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11288213 is an equidigital number, since it uses as much as digits as its factorization.

11288213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 26.

The square root of 11288213 is about 3359.7935948507. The cubic root of 11288213 is about 224.3236512411.

The spelling of 11288213 in words is "eleven million, two hundred eighty-eight thousand, two hundred thirteen".