13984518 has 8 divisors (see below), whose sum is σ = 27969048. Its totient is φ = 4661504.

The previous prime is 13984517. The next prime is 13984519. The reversal of 13984518 is 81548931.

It is an interprime number because it is at equal distance from previous prime (13984517) and next prime (13984519).

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

13984518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13984511) 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 3 ways as a sum of consecutive naturals, for example, 1165371 + ... + 1165382.

It is an arithmetic number, because the mean of its divisors is an integer number (3496131).

Almost surely, 2^13984518 is an apocalyptic number.

13984518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13984518 is a wasteful number, since it uses less digits than its factorization.

13984518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330758.

The product of its digits is 34560, while the sum is 39.

The square root of 13984518 is about 3739.5879452154. The cubic root of 13984518 is about 240.9253512138.

The spelling of 13984518 in words is "thirteen million, nine hundred eighty-four thousand, five hundred eighteen".