11771086 has 4 divisors (see below), whose sum is σ = 17656632. Its totient is φ = 5885542.

The previous prime is 11771077. The next prime is 11771087. The reversal of 11771086 is 68017711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11771087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2942770 + ... + 2942773.

It is an arithmetic number, because the mean of its divisors is an integer number (4414158).

Almost surely, 2^11771086 is an apocalyptic number.

11771086 is a deficient number, since it is larger than the sum of its proper divisors (5885546).

11771086 is an equidigital number, since it uses as much as digits as its factorization.

11771086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885545.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 11771086 is about 3430.9016307670. The cubic root of 11771086 is about 227.4777082372.

Adding to 11771086 its reverse (68017711), we get a palindrome (79788797).

The spelling of 11771086 in words is "eleven million, seven hundred seventy-one thousand, eighty-six".