11213686 has 32 divisors (see below), whose sum is σ = 19555200. Its totient is φ = 4769280.

The previous prime is 11213677. The next prime is 11213689. The reversal of 11213686 is 68631211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58006 + ... + 58198.

It is an arithmetic number, because the mean of its divisors is an integer number (611100).

Almost surely, 2^11213686 is an apocalyptic number.

11213686 is a deficient number, since it is larger than the sum of its proper divisors (8341514).

11213686 is a wasteful number, since it uses less digits than its factorization.

11213686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 1728, while the sum is 28.

The square root of 11213686 is about 3348.6842192121. The cubic root of 11213686 is about 223.8288845166.

Adding to 11213686 its reverse (68631211), we get a palindrome (79844897).

The spelling of 11213686 in words is "eleven million, two hundred thirteen thousand, six hundred eighty-six".