11822087 has 2 divisors, whose sum is σ = 11822088. Its totient is φ = 11822086.

The previous prime is 11822081. The next prime is 11822093. The reversal of 11822087 is 78022811.

It is a balanced prime because it is at equal distance from previous prime (11822081) and next prime (11822093).

It is an emirp because it is prime and its reverse (78022811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11822087 - 2¹⁶ = 11756551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11822081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5911043 + 5911044.

It is an arithmetic number, because the mean of its divisors is an integer number (5911044).

Almost surely, 2^11822087 is an apocalyptic number.

11822087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11822087 is an equidigital number, since it uses as much as digits as its factorization.

11822087 is an evil number, because the sum of its binary digits is even.

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

The square root of 11822087 is about 3438.3261916229. The cubic root of 11822087 is about 227.8057684596.

Adding to 11822087 its reverse (78022811), we get a palindrome (89844898).

The spelling of 11822087 in words is "eleven million, eight hundred twenty-two thousand, eighty-seven".