13984617 has 4 divisors (see below), whose sum is σ = 18646160. Its totient is φ = 9323076.

The previous prime is 13984609. The next prime is 13984661. The reversal of 13984617 is 71648931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13984617 - 2³ = 13984609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13984687) 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 3 ways as a sum of consecutive naturals, for example, 2330767 + ... + 2330772.

It is an arithmetic number, because the mean of its divisors is an integer number (4661540).

Almost surely, 2^13984617 is an apocalyptic number.

It is an amenable number.

13984617 is a deficient number, since it is larger than the sum of its proper divisors (4661543).

13984617 is an equidigital number, since it uses as much as digits as its factorization.

13984617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661542.

The product of its digits is 36288, while the sum is 39.

The square root of 13984617 is about 3739.6011819444. The cubic root of 13984617 is about 240.9259197366.

The spelling of 13984617 in words is "thirteen million, nine hundred eighty-four thousand, six hundred seventeen".