11133287 has 8 divisors (see below), whose sum is σ = 12169872. Its totient is φ = 10100800.

The previous prime is 11133281. The next prime is 11133319. The reversal of 11133287 is 78233111.

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

It is a cyclic number.

It is not a de Polignac number, because 11133287 - 2⁴ = 11133271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133281) 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 7 ways as a sum of consecutive naturals, for example, 8837 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (1521234).

Almost surely, 2^11133287 is an apocalyptic number.

11133287 is a deficient number, since it is larger than the sum of its proper divisors (1036585).

11133287 is a wasteful number, since it uses less digits than its factorization.

11133287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

The product of its digits is 1008, while the sum is 26.

The square root of 11133287 is about 3336.6580585970. The cubic root of 11133287 is about 223.2926707485.

Adding to 11133287 its reverse (78233111), we get a palindrome (89366398).

The spelling of 11133287 in words is "eleven million, one hundred thirty-three thousand, two hundred eighty-seven".