13847986 has 8 divisors (see below), whose sum is σ = 21214080. Its totient is φ = 6776628.

The previous prime is 13847983. The next prime is 13848007. The reversal of 13847986 is 68974831.

It is a happy number.

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 (13847983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73566 + ... + 73753.

It is an arithmetic number, because the mean of its divisors is an integer number (2651760).

Almost surely, 2^13847986 is an apocalyptic number.

13847986 is a deficient number, since it is larger than the sum of its proper divisors (7366094).

13847986 is a wasteful number, since it uses less digits than its factorization.

13847986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147368.

The product of its digits is 290304, while the sum is 46.

The square root of 13847986 is about 3721.2882178085. The cubic root of 13847986 is about 240.1387276659.

The spelling of 13847986 in words is "thirteen million, eight hundred forty-seven thousand, nine hundred eighty-six".