13984655 has 8 divisors (see below), whose sum is σ = 16848432. Its totient is φ = 11143168.

The previous prime is 13984609. The next prime is 13984661. The reversal of 13984655 is 55648931.

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 13984655 - 2¹² = 13980559 is a prime.

It is a super-3 number, since 3×13984655³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4157 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (2106054).

Almost surely, 2^13984655 is an apocalyptic number.

13984655 is a deficient number, since it is larger than the sum of its proper divisors (2863777).

13984655 is a wasteful number, since it uses less digits than its factorization.

13984655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145.

The product of its digits is 129600, while the sum is 41.

The square root of 13984655 is about 3739.6062626966. The cubic root of 13984655 is about 240.9261379568.

The spelling of 13984655 in words is "thirteen million, nine hundred eighty-four thousand, six hundred fifty-five".