11307287 has 2 divisors, whose sum is σ = 11307288. Its totient is φ = 11307286.

The previous prime is 11307277. The next prime is 11307293. The reversal of 11307287 is 78270311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11307287 - 2⁴ = 11307271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11307217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653643 + 5653644.

It is an arithmetic number, because the mean of its divisors is an integer number (5653644).

Almost surely, 2^11307287 is an apocalyptic number.

11307287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11307287 is an equidigital number, since it uses as much as digits as its factorization.

11307287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 11307287 is about 3362.6309639923. The cubic root of 11307287 is about 224.4499287310.

Adding to 11307287 its reverse (78270311), we get a palindrome (89577598).

The spelling of 11307287 in words is "eleven million, three hundred seven thousand, two hundred eighty-seven".