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12755080 = 23513191291
BaseRepresentation
bin110000101010…
…000010001000
3220000000200101
4300222002020
511231130310
61133215144
7213262552
oct60520210
926000611
1012755080
117222098
1243314b4
1328478b0
1419a04d2
1511be43a
hexc2a088

12755080 has 64 divisors (see below), whose sum is σ = 32558400. Its totient is φ = 4458240.

The previous prime is 12755069. The next prime is 12755089. The reversal of 12755080 is 8055721.

It is not an unprimeable number, because it can be changed into a prime (12755089) 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 15 ways as a sum of consecutive naturals, for example, 9235 + ... + 10525.

It is an arithmetic number, because the mean of its divisors is an integer number (508725).

Almost surely, 212755080 is an apocalyptic number.

12755080 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 12755080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16279200).

12755080 is an abundant number, since it is smaller than the sum of its proper divisors (19803320).

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

12755080 is a wasteful number, since it uses less digits than its factorization.

12755080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 12755080 is about 3571.4254857130. The cubic root of 12755080 is about 233.6474590038.

The spelling of 12755080 in words is "twelve million, seven hundred fifty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 13 19 20 26 38 40 52 65 76 95 104 130 152 190 247 260 380 494 520 760 988 1235 1291 1976 2470 2582 4940 5164 6455 9880 10328 12910 16783 24529 25820 33566 49058 51640 67132 83915 98116 122645 134264 167830 196232 245290 318877 335660 490580 637754 671320 981160 1275508 1594385 2551016 3188770 6377540 12755080