13983771 has 16 divisors (see below), whose sum is σ = 19584000. Its totient is φ = 8863008.

The previous prime is 13983733. The next prime is 13983773. The reversal of 13983771 is 17738931.

It is a happy number.

13983771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13983771 - 2¹⁸ = 13721627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13983773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4630 + ... + 7028.

It is an arithmetic number, because the mean of its divisors is an integer number (1224000).

Almost surely, 2^13983771 is an apocalyptic number.

13983771 is a deficient number, since it is larger than the sum of its proper divisors (5600229).

13983771 is a wasteful number, since it uses less digits than its factorization.

13983771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498.

The product of its digits is 31752, while the sum is 39.

The square root of 13983771 is about 3739.4880665674. The cubic root of 13983771 is about 240.9210613640.

The spelling of 13983771 in words is "thirteen million, nine hundred eighty-three thousand, seven hundred seventy-one".