11887087 has 2 divisors, whose sum is σ = 11887088. Its totient is φ = 11887086.

The previous prime is 11887081. The next prime is 11887091. The reversal of 11887087 is 78078811.

It is a strong prime.

It is an emirp because it is prime and its reverse (78078811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11887087 - 2²³ = 3498479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11887081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943543 + 5943544.

It is an arithmetic number, because the mean of its divisors is an integer number (5943544).

Almost surely, 2^11887087 is an apocalyptic number.

11887087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11887087 is an equidigital number, since it uses as much as digits as its factorization.

11887087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 40.

The square root of 11887087 is about 3447.7655082676. The cubic root of 11887087 is about 228.2225115625. Note that the first 3 decimals are identical.

It can be divided in two parts, 1188 and 7087, that multiplied together give a triangular number (8419356 = T₄₁₀₃).

The spelling of 11887087 in words is "eleven million, eight hundred eighty-seven thousand, eighty-seven".