11206289 has 2 divisors, whose sum is σ = 11206290. Its totient is φ = 11206288.

The previous prime is 11206241. The next prime is 11206331. The reversal of 11206289 is 98260211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 966289 = 3200^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 11206289 - 2⁸ = 11206033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11205289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5603144 + 5603145.

It is an arithmetic number, because the mean of its divisors is an integer number (5603145).

Almost surely, 2^11206289 is an apocalyptic number.

It is an amenable number.

11206289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11206289 is an equidigital number, since it uses as much as digits as its factorization.

11206289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11206289 is about 3347.5795733634. The cubic root of 11206289 is about 223.7796581682.

The spelling of 11206289 in words is "eleven million, two hundred six thousand, two hundred eighty-nine".