11287259 has 4 divisors (see below), whose sum is σ = 11562600. Its totient is φ = 11011920.

The previous prime is 11287249. The next prime is 11287267. The reversal of 11287259 is 95278211.

11287259 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95278211 = 7 ⋅13611173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11287259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11287229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137609 + ... + 137690.

It is an arithmetic number, because the mean of its divisors is an integer number (2890650).

Almost surely, 2^11287259 is an apocalyptic number.

11287259 is a deficient number, since it is larger than the sum of its proper divisors (275341).

11287259 is an equidigital number, since it uses as much as digits as its factorization.

11287259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275340.

The product of its digits is 10080, while the sum is 35.

The square root of 11287259 is about 3359.6516188438. The cubic root of 11287259 is about 224.3173316464.

The spelling of 11287259 in words is "eleven million, two hundred eighty-seven thousand, two hundred fifty-nine".