11824987 has 2 divisors, whose sum is σ = 11824988. Its totient is φ = 11824986.

The previous prime is 11824937. The next prime is 11824997. The reversal of 11824987 is 78942811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11824987 - 2¹⁵ = 11792219 is a prime.

It is not a weakly prime, because it can be changed into another prime (11824937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5912493 + 5912494.

It is an arithmetic number, because the mean of its divisors is an integer number (5912494).

Almost surely, 2^11824987 is an apocalyptic number.

11824987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11824987 is an equidigital number, since it uses as much as digits as its factorization.

11824987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 40.

The square root of 11824987 is about 3438.7478825875. The cubic root of 11824987 is about 227.8243941252.

It can be divided in two parts, 118249 and 87, that added together give a square (118336 = 344²).

The spelling of 11824987 in words is "eleven million, eight hundred twenty-four thousand, nine hundred eighty-seven".