11287265 has 8 divisors (see below), whose sum is σ = 14776128. Its totient is φ = 8208880.

The previous prime is 11287249. The next prime is 11287267. The reversal of 11287265 is 56278211.

11287265 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11287265 - 2⁴ = 11287249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11287267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102557 + ... + 102666.

It is an arithmetic number, because the mean of its divisors is an integer number (1847016).

Almost surely, 2^11287265 is an apocalyptic number.

It is an amenable number.

11287265 is a deficient number, since it is larger than the sum of its proper divisors (3488863).

11287265 is a wasteful number, since it uses less digits than its factorization.

11287265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205239.

The product of its digits is 6720, while the sum is 32.

The square root of 11287265 is about 3359.6525117934. The cubic root of 11287265 is about 224.3173713934.

The spelling of 11287265 in words is "eleven million, two hundred eighty-seven thousand, two hundred sixty-five".