13982917 has 8 divisors (see below), whose sum is σ = 15851360. Its totient is φ = 12227760.

The previous prime is 13982909. The next prime is 13982951. The reversal of 13982917 is 71928931.

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

It is a cyclic number.

It is not a de Polignac number, because 13982917 - 2³ = 13982909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13982917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13982977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28059 + ... + 28552.

It is an arithmetic number, because the mean of its divisors is an integer number (1981420).

Almost surely, 2^13982917 is an apocalyptic number.

It is an amenable number.

13982917 is a deficient number, since it is larger than the sum of its proper divisors (1868443).

13982917 is a wasteful number, since it uses less digits than its factorization.

13982917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56643.

The product of its digits is 27216, while the sum is 40.

The square root of 13982917 is about 3739.3738780710. The cubic root of 13982917 is about 240.9161568507.

The spelling of 13982917 in words is "thirteen million, nine hundred eighty-two thousand, nine hundred seventeen".