11287243 has 6 divisors (see below), whose sum is σ = 12406772. Its totient is φ = 10261020.

The previous prime is 11287229. The next prime is 11287249. The reversal of 11287243 is 34278211.

It is not a de Polignac number, because 11287243 - 2⁹ = 11286731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11287249) 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 in 5 ways as a sum of consecutive naturals, for example, 46521 + ... + 46762.

Almost surely, 2^11287243 is an apocalyptic number.

11287243 is a deficient number, since it is larger than the sum of its proper divisors (1119529).

11287243 is an equidigital number, since it uses as much as digits as its factorization.

11287243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93305 (or 93294 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 11287243 is about 3359.6492376437. The cubic root of 11287243 is about 224.3172256543.

The spelling of 11287243 in words is "eleven million, two hundred eighty-seven thousand, two hundred forty-three".