11296287 has 8 divisors (see below), whose sum is σ = 16735280. Its totient is φ = 7530840.

The previous prime is 11296273. The next prime is 11296291. The reversal of 11296287 is 78269211.

11296287 is a `hidden beast` number, since 1 + 1 + 29 + 628 + 7 = 666.

It is not a de Polignac number, because 11296287 - 2⁶ = 11296223 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 (11296297) 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, 209164 + ... + 209217.

It is an arithmetic number, because the mean of its divisors is an integer number (2091910).

Almost surely, 2^11296287 is an apocalyptic number.

11296287 is a deficient number, since it is larger than the sum of its proper divisors (5438993).

11296287 is an equidigital number, since it uses as much as digits as its factorization.

11296287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418390 (or 418384 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 11296287 is about 3360.9949419777. The cubic root of 11296287 is about 224.3771216917.

The spelling of 11296287 in words is "eleven million, two hundred ninety-six thousand, two hundred eighty-seven".