13199986 has 8 divisors (see below), whose sum is σ = 20438784. Its totient is φ = 6387060.

The previous prime is 13199983. The next prime is 13200001. The reversal of 13199986 is 68999131.

13199986 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 not an unprimeable number, because it can be changed into a prime (13199981) 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, 106390 + ... + 106513.

It is an arithmetic number, because the mean of its divisors is an integer number (2554848).

Almost surely, 2^13199986 is an apocalyptic number.

13199986 is a deficient number, since it is larger than the sum of its proper divisors (7238798).

13199986 is a wasteful number, since it uses less digits than its factorization.

13199986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212936.

The product of its digits is 104976, while the sum is 46.

The square root of 13199986 is about 3633.1784982299. The cubic root of 13199986 is about 236.3330665413. Note that the first 3 decimals are identical.

The spelling of 13199986 in words is "thirteen million, one hundred ninety-nine thousand, nine hundred eighty-six".