13808986 has 8 divisors (see below), whose sum is σ = 20731860. Its totient is φ = 6898368.

The previous prime is 13808969. The next prime is 13809011. The reversal of 13808986 is 68980831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12737761 + 1071225 = 3569^2 + 1035^2 .

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

It is an unprimeable number.

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, 660 + ... + 5296.

Almost surely, 2^13808986 is an apocalyptic number.

13808986 is a deficient number, since it is larger than the sum of its proper divisors (6922874).

13808986 is a wasteful number, since it uses less digits than its factorization.

13808986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 13808986 is about 3716.0444023181. The cubic root of 13808986 is about 239.9130819516.

The spelling of 13808986 in words is "thirteen million, eight hundred eight thousand, nine hundred eighty-six".