13106686 has 4 divisors (see below), whose sum is σ = 19660032. Its totient is φ = 6553342.

The previous prime is 13106663. The next prime is 13106689. The reversal of 13106686 is 68660131.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13106689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276670 + ... + 3276673.

It is an arithmetic number, because the mean of its divisors is an integer number (4915008).

Almost surely, 2^13106686 is an apocalyptic number.

13106686 is a deficient number, since it is larger than the sum of its proper divisors (6553346).

13106686 is an equidigital number, since it uses as much as digits as its factorization.

13106686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553345.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13106686 is about 3620.3157320875. The cubic root of 13106686 is about 235.7749338542.

The spelling of 13106686 in words is "thirteen million, one hundred six thousand, six hundred eighty-six".