11802287 has 16 divisors (see below), whose sum is σ = 14496000. Its totient is φ = 9578520.

The previous prime is 11802283. The next prime is 11802293. The reversal of 11802287 is 78220811.

It is not a de Polignac number, because 11802287 - 2² = 11802283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802283) 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 15 ways as a sum of consecutive naturals, for example, 5612 + ... + 7422.

It is an arithmetic number, because the mean of its divisors is an integer number (906000).

Almost surely, 2^11802287 is an apocalyptic number.

11802287 is a deficient number, since it is larger than the sum of its proper divisors (2693713).

11802287 is an equidigital number, since it uses as much as digits as its factorization.

11802287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 11802287 is about 3435.4456770556. The cubic root of 11802287 is about 227.6785186574.

The spelling of 11802287 in words is "eleven million, eight hundred two thousand, two hundred eighty-seven".