13199686 has 8 divisors (see below), whose sum is σ = 19870344. Its totient is φ = 6576240.

The previous prime is 13199671. The next prime is 13199687. The reversal of 13199686 is 68699131.

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 (13199687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11095 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (2483793).

Almost surely, 2^13199686 is an apocalyptic number.

13199686 is a deficient number, since it is larger than the sum of its proper divisors (6670658).

13199686 is a wasteful number, since it uses less digits than its factorization.

13199686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23606.

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

The square root of 13199686 is about 3633.1372118322. The cubic root of 13199686 is about 236.3312761239.

The spelling of 13199686 in words is "thirteen million, one hundred ninety-nine thousand, six hundred eighty-six".