11439686 has 4 divisors (see below), whose sum is σ = 17159532. Its totient is φ = 5719842.

The previous prime is 11439643. The next prime is 11439707. The reversal of 11439686 is 68693411.

11439686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859920 + ... + 2859923.

It is an arithmetic number, because the mean of its divisors is an integer number (4289883).

Almost surely, 2^11439686 is an apocalyptic number.

11439686 is a deficient number, since it is larger than the sum of its proper divisors (5719846).

11439686 is an equidigital number, since it uses as much as digits as its factorization.

11439686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719845.

The product of its digits is 31104, while the sum is 38.

The square root of 11439686 is about 3382.2604867159. The cubic root of 11439686 is about 225.3225727115.

The spelling of 11439686 in words is "eleven million, four hundred thirty-nine thousand, six hundred eighty-six".