11917086 has 16 divisors (see below), whose sum is σ = 24656400. Its totient is φ = 3835328.

The previous prime is 11917067. The next prime is 11917097. The reversal of 11917086 is 68071911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34071 + ... + 34418.

It is an arithmetic number, because the mean of its divisors is an integer number (1541025).

Almost surely, 2^11917086 is an apocalyptic number.

11917086 is an abundant number, since it is smaller than the sum of its proper divisors (12739314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11917086 is a wasteful number, since it uses less digits than its factorization.

11917086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68523.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 11917086 is about 3452.1132658127. The cubic root of 11917086 is about 228.4143358451.

Adding to 11917086 its reverse (68071911), we get a palindrome (79988997).

It can be divided in two parts, 119 and 17086, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 11917086 in words is "eleven million, nine hundred seventeen thousand, eighty-six".