13286386 has 8 divisors (see below), whose sum is σ = 20007900. Its totient is φ = 6617088.

The previous prime is 13286369. The next prime is 13286389. The reversal of 13286386 is 68368231.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 361 = 3645^2 + 19^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13286389) 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, 12411 + ... + 13438.

Almost surely, 2^13286386 is an apocalyptic number.

13286386 is a deficient number, since it is larger than the sum of its proper divisors (6721514).

13286386 is a wasteful number, since it uses less digits than its factorization.

13286386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108.

The product of its digits is 41472, while the sum is 37.

The square root of 13286386 is about 3645.0495195539. The cubic root of 13286386 is about 236.8475819171.

The spelling of 13286386 in words is "thirteen million, two hundred eighty-six thousand, three hundred eighty-six".