11248287 has 8 divisors (see below), whose sum is σ = 15085104. Its totient is φ = 7455168.

The previous prime is 11248283. The next prime is 11248301. The reversal of 11248287 is 78284211.

It is a happy number.

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

It is not a de Polignac number, because 11248287 - 2² = 11248283 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11248283) 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, 10318 + ... + 11355.

It is an arithmetic number, because the mean of its divisors is an integer number (1885638).

Almost surely, 2^11248287 is an apocalyptic number.

11248287 is a deficient number, since it is larger than the sum of its proper divisors (3836817).

11248287 is a wasteful number, since it uses less digits than its factorization.

11248287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21849.

The product of its digits is 7168, while the sum is 33.

The square root of 11248287 is about 3353.8465975652. The cubic root of 11248287 is about 224.0588639412.

The spelling of 11248287 in words is "eleven million, two hundred forty-eight thousand, two hundred eighty-seven".