13984566 has 8 divisors (see below), whose sum is σ = 27969144. Its totient is φ = 4661520.

The previous prime is 13984559. The next prime is 13984571. The reversal of 13984566 is 66548931.

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

13984566 is an admirable number.

It is a super-3 number, since 3×13984566³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1165375 + ... + 1165386.

It is an arithmetic number, because the mean of its divisors is an integer number (3496143).

Almost surely, 2^13984566 is an apocalyptic number.

13984566 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.

13984566 is a wasteful number, since it uses less digits than its factorization.

13984566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330766.

The product of its digits is 155520, while the sum is 42.

The square root of 13984566 is about 3739.5943630292. The cubic root of 13984566 is about 240.9256268615.

The spelling of 13984566 in words is "thirteen million, nine hundred eighty-four thousand, five hundred sixty-six".