13938256 has 20 divisors (see below), whose sum is σ = 27450004. Its totient is φ = 6854400.

The previous prime is 13938247. The next prime is 13938257. The reversal of 13938256 is 65283931.

It can be written as a sum of positive squares in 2 ways, for example, as 129600 + 13808656 = 360^2 + 3716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938257) 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, 6165 + ... + 8116.

Almost surely, 2^13938256 is an apocalyptic number.

13938256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13938256 is a deficient number, since it is larger than the sum of its proper divisors (13511748).

13938256 is a wasteful number, since it uses less digits than its factorization.

13938256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350 (or 14344 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 13938256 is about 3733.3973804030. The cubic root of 13938256 is about 240.6593903958.

The spelling of 13938256 in words is "thirteen million, nine hundred thirty-eight thousand, two hundred fifty-six".