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12755232 = 253471937
BaseRepresentation
bin110000101010…
…000100100000
3220000000220000
4300222010200
511231131412
61133220000
7213263160
oct60520440
926000800
1012755232
117222216
124331600
132847999
1419a05a0
1511be4dc
hexc2a120

12755232 has 240 divisors, whose sum is σ = 46347840. Its totient is φ = 3359232.

The previous prime is 12755231. The next prime is 12755233. The reversal of 12755232 is 23255721.

It is an interprime number because it is at equal distance from previous prime (12755231) and next prime (12755233).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3 and base 6.

It is a junction number, because it is equal to n+sod(n) for n = 12755196 and 12755205.

It is not an unprimeable number, because it can be changed into a prime (12755231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 344718 + ... + 344754.

It is an arithmetic number, because the mean of its divisors is an integer number (193116).

Almost surely, 212755232 is an apocalyptic number.

12755232 is a gapful number since it is divisible by the number (12) 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 12755232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173920).

12755232 is an abundant number, since it is smaller than the sum of its proper divisors (33592608).

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

12755232 is a wasteful number, since it uses less digits than its factorization.

12755232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 68 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 12755232 is about 3571.4467656679. The cubic root of 12755232 is about 233.6483871117.

The spelling of 12755232 in words is "twelve million, seven hundred fifty-five thousand, two hundred thirty-two".