11399686 has 8 divisors (see below), whose sum is σ = 17148240. Its totient is φ = 5683608.

The previous prime is 11399683. The next prime is 11399761. The reversal of 11399686 is 68699311.

11399686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11399683) 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, 7221 + ... + 8656.

It is an arithmetic number, because the mean of its divisors is an integer number (2143530).

Almost surely, 2^11399686 is an apocalyptic number.

11399686 is a deficient number, since it is larger than the sum of its proper divisors (5748554).

11399686 is a wasteful number, since it uses less digits than its factorization.

11399686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16238.

The product of its digits is 69984, while the sum is 43.

The square root of 11399686 is about 3376.3421035197. The cubic root of 11399686 is about 225.0596450927.

It can be divided in two parts, 113 and 99686, that added together give a palindrome (99799).

The spelling of 11399686 in words is "eleven million, three hundred ninety-nine thousand, six hundred eighty-six".