13982271 has 32 divisors (see below), whose sum is σ = 20858880. Its totient is φ = 8294400.

The previous prime is 13982231. The next prime is 13982327. The reversal of 13982271 is 17228931.

It is not a de Polignac number, because 13982271 - 2¹⁸ = 13720127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13982231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72351 + ... + 72543.

It is an arithmetic number, because the mean of its divisors is an integer number (651840).

Almost surely, 2^13982271 is an apocalyptic number.

13982271 is a deficient number, since it is larger than the sum of its proper divisors (6876609).

13982271 is a wasteful number, since it uses less digits than its factorization.

13982271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its digits is 6048, while the sum is 33.

The square root of 13982271 is about 3739.2874989762. The cubic root of 13982271 is about 240.9124467466.

The spelling of 13982271 in words is "thirteen million, nine hundred eighty-two thousand, two hundred seventy-one".