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12255056 = 2411179389
BaseRepresentation
bin101110101111…
…111101010000
3212001121202222
4232233331100
511114130211
61114400212
7206111012
oct56577520
925047688
1012255056
116a10450
124130068
132701118
1418b01b2
1511211db
hexbaff50

12255056 has 40 divisors (see below), whose sum is σ = 26114400. Its totient is φ = 5525120.

The previous prime is 12255053. The next prime is 12255059. The reversal of 12255056 is 65055221.

It is an interprime number because it is at equal distance from previous prime (12255053) and next prime (12255059).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31310 + ... + 31698.

It is an arithmetic number, because the mean of its divisors is an integer number (652860).

Almost surely, 212255056 is an apocalyptic number.

12255056 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 12255056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13057200).

12255056 is an abundant number, since it is smaller than the sum of its proper divisors (13859344).

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

12255056 is a wasteful number, since it uses less digits than its factorization.

12255056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 12255056 is about 3500.7222112016. The cubic root of 12255056 is about 230.5535250242.

The spelling of 12255056 in words is "twelve million, two hundred fifty-five thousand, fifty-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 179 358 389 716 778 1432 1556 1969 2864 3112 3938 4279 6224 7876 8558 15752 17116 31504 34232 68464 69631 139262 278524 557048 765941 1114096 1531882 3063764 6127528 12255056