11705087 has 4 divisors (see below), whose sum is σ = 11825856. Its totient is φ = 11584320.

The previous prime is 11705081. The next prime is 11705093. The reversal of 11705087 is 78050711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78050711 = 5507 ⋅14173.

It is an interprime number because it is at equal distance from previous prime (11705081) and next prime (11705093).

It is a cyclic number.

It is not a de Polignac number, because 11705087 - 2⁸ = 11704831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11705081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60239 + ... + 60432.

It is an arithmetic number, because the mean of its divisors is an integer number (2956464).

Almost surely, 2^11705087 is an apocalyptic number.

11705087 is a deficient number, since it is larger than the sum of its proper divisors (120769).

11705087 is an equidigital number, since it uses as much as digits as its factorization.

11705087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120768.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 11705087 is about 3421.2697935123. The cubic root of 11705087 is about 227.0517648641.

Adding to 11705087 its reverse (78050711), we get a palindrome (89755798).

The spelling of 11705087 in words is "eleven million, seven hundred five thousand, eighty-seven".