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12755260 = 2257312939
BaseRepresentation
bin110000101010…
…000100111100
3220000000221001
4300222010330
511231132020
61133220044
7213263230
oct60520474
926000831
1012755260
117222241
124331624
1328479bb
1419a05c0
1511be50a
hexc2a13c

12755260 has 48 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 4230720.

The previous prime is 12755257. The next prime is 12755263. The reversal of 12755260 is 6255721.

It is an interprime number because it is at equal distance from previous prime (12755257) and next prime (12755263).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2871 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 212755260 is an apocalyptic number.

12755260 is a gapful number since it is divisible by the number (10) 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 12755260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15805440).

12755260 is an abundant number, since it is smaller than the sum of its proper divisors (18855620).

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

12755260 is a wasteful number, since it uses less digits than its factorization.

12755260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 12755260 is about 3571.4506856458. The cubic root of 12755260 is about 233.6485580782.

The spelling of 12755260 in words is "twelve million, seven hundred fifty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 2939 4340 5878 11756 14695 20573 29390 41146 58780 82292 91109 102865 182218 205730 364436 411460 455545 637763 911090 1275526 1822180 2551052 3188815 6377630 12755260