13673986 has 16 divisors (see below), whose sum is σ = 20905920. Its totient is φ = 6706800.

The previous prime is 13673981. The next prime is 13674019. The reversal of 13673986 is 68937631.

It is a super-3 number, since 3×13673986³ (a number of 22 digits) contains 333 as substring.

Its product of digits (163296) is a multiple of the sum of its prime divisors (729).

It is not an unprimeable number, because it can be changed into a prime (13673981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27835 + ... + 28321.

It is an arithmetic number, because the mean of its divisors is an integer number (1306620).

Almost surely, 2^13673986 is an apocalyptic number.

13673986 is a deficient number, since it is larger than the sum of its proper divisors (7231934).

13673986 is a wasteful number, since it uses less digits than its factorization.

13673986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its digits is 163296, while the sum is 43.

The square root of 13673986 is about 3697.8353127201. The cubic root of 13673986 is about 239.1287041015.

The spelling of 13673986 in words is "thirteen million, six hundred seventy-three thousand, nine hundred eighty-six".