11288287 has 2 divisors, whose sum is σ = 11288288. Its totient is φ = 11288286.

The previous prime is 11288269. The next prime is 11288327. The reversal of 11288287 is 78288211.

It is a weak prime.

It is an emirp because it is prime and its reverse (78288211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11288287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11288237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644143 + 5644144.

It is an arithmetic number, because the mean of its divisors is an integer number (5644144).

Almost surely, 2^11288287 is an apocalyptic number.

11288287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11288287 is an equidigital number, since it uses as much as digits as its factorization.

11288287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 37.

The square root of 11288287 is about 3359.8046074139. The cubic root of 11288287 is about 224.3241414253.

The spelling of 11288287 in words is "eleven million, two hundred eighty-eight thousand, two hundred eighty-seven".