11287267 has 2 divisors, whose sum is σ = 11287268. Its totient is φ = 11287266.

The previous prime is 11287249. The next prime is 11287271. The reversal of 11287267 is 76278211.

It is a happy number.

11287267 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11287267 - 2⁷ = 11287139 is a prime.

It is not a weakly prime, because it can be changed into another prime (11287207) 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, 5643633 + 5643634.

It is an arithmetic number, because the mean of its divisors is an integer number (5643634).

Almost surely, 2^11287267 is an apocalyptic number.

11287267 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287267 is an equidigital number, since it uses as much as digits as its factorization.

11287267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 34.

The square root of 11287267 is about 3359.6528094433. The cubic root of 11287267 is about 224.3173846424.

The spelling of 11287267 in words is "eleven million, two hundred eighty-seven thousand, two hundred sixty-seven".