11910887 has 2 divisors, whose sum is σ = 11910888. Its totient is φ = 11910886.

The previous prime is 11910883. The next prime is 11910893. The reversal of 11910887 is 78801911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11910887 - 2² = 11910883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11910883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955443 + 5955444.

It is an arithmetic number, because the mean of its divisors is an integer number (5955444).

Almost surely, 2^11910887 is an apocalyptic number.

11910887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11910887 is an equidigital number, since it uses as much as digits as its factorization.

11910887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 11910887 is about 3451.2152931975. The cubic root of 11910887 is about 228.3747236432.

The spelling of 11910887 in words is "eleven million, nine hundred ten thousand, eight hundred eighty-seven".