13807982 has 8 divisors (see below), whose sum is σ = 20861400. Its totient is φ = 6854184.

The previous prime is 13807967. The next prime is 13807991. The reversal of 13807982 is 28970831.

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

It is a congruent number.

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, 24557 + ... + 25112.

It is an arithmetic number, because the mean of its divisors is an integer number (2607675).

Almost surely, 2^13807982 is an apocalyptic number.

13807982 is a deficient number, since it is larger than the sum of its proper divisors (7053418).

13807982 is a wasteful number, since it uses less digits than its factorization.

13807982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49810.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13807982 is about 3715.9093099805. The cubic root of 13807982 is about 239.9072674148.

The spelling of 13807982 in words is "thirteen million, eight hundred seven thousand, nine hundred eighty-two".