13998256 has 10 divisors (see below), whose sum is σ = 27121652. Its totient is φ = 6999120.

The previous prime is 13998251. The next prime is 13998301. The reversal of 13998256 is 65289931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13998251) 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 as a sum of consecutive naturals, namely, 437430 + ... + 437461.

Almost surely, 2^13998256 is an apocalyptic number.

13998256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13998256 is a deficient number, since it is larger than the sum of its proper divisors (13123396).

13998256 is an equidigital number, since it uses as much as digits as its factorization.

13998256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874899 (or 874893 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 13998256 is about 3741.4243277126. The cubic root of 13998256 is about 241.0042181731.

The spelling of 13998256 in words is "thirteen million, nine hundred ninety-eight thousand, two hundred fifty-six".