12554256 has 160 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 3340800.

The previous prime is 12554249. The next prime is 12554257. The reversal of 12554256 is 65245521.

Its product of digits (12000) is a multiple of the sum of its prime factors (125).

It is not an unprimeable number, because it can be changed into a prime (12554257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212755 + ... + 212813.

It is an arithmetic number, because the mean of its divisors is an integer number (249984).

Almost surely, 2^12554256 is an apocalyptic number.

12554256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12554256 is the 2046-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12554256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19998720).

12554256 is an abundant number, since it is smaller than the sum of its proper divisors (27443184).

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

12554256 is a wasteful number, since it uses less digits than its factorization.

12554256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 12554256 is about 3543.1985549783. The cubic root of 12554256 is about 232.4147357601.

Adding to 12554256 its reverse (65245521), we get a palindrome (77799777).

The spelling of 12554256 in words is "twelve million, five hundred fifty-four thousand, two hundred fifty-six".