12104256 has 56 divisors (see below), whose sum is σ = 33430464. Its totient is φ = 3857920.

The previous prime is 12104249. The next prime is 12104297. The reversal of 12104256 is 65240121.

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, 3046 + ... + 5786.

Almost surely, 2^12104256 is an apocalyptic number.

12104256 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 12104256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16715232).

12104256 is an abundant number, since it is smaller than the sum of its proper divisors (21326208).

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

12104256 is a wasteful number, since it uses less digits than its factorization.

12104256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12104256 is about 3479.1171293879. The cubic root of 12104256 is about 229.6039561128.

Adding to 12104256 its reverse (65240121), we get a palindrome (77344377).

The spelling of 12104256 in words is "twelve million, one hundred four thousand, two hundred fifty-six".