13984256 has 80 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 5836800.

The previous prime is 13984213. The next prime is 13984277. The reversal of 13984256 is 65248931.

It is a happy 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, 73121 + ... + 73311.

Almost surely, 2^13984256 is an apocalyptic number.

13984256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13984256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498944).

13984256 is an abundant number, since it is smaller than the sum of its proper divisors (19013632).

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

13984256 is a wasteful number, since it uses less digits than its factorization.

13984256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 217 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 13984256 is about 3739.5529144538. The cubic root of 13984256 is about 240.9238466252.

The spelling of 13984256 in words is "thirteen million, nine hundred eighty-four thousand, two hundred fifty-six".