Search a number
-
+
12965568 = 263711877
BaseRepresentation
bin110001011101…
…011011000000
3220101201102020
4301131123000
511304344233
61141521440
7215130330
oct61353300
926351366
1012965568
117356250
124413280
1328bc645
141a170c0
1512119b3
hexc5d6c0

12965568 has 112 divisors (see below), whose sum is σ = 42818304. Its totient is φ = 3363840.

The previous prime is 12965567. The next prime is 12965569. The reversal of 12965568 is 86556921.

It is an interprime number because it is at equal distance from previous prime (12965567) and next prime (12965569).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (129600) is a multiple of the sum of its prime divisors (900).

It is not an unprimeable number, because it can be changed into a prime (12965567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14346 + ... + 15222.

Almost surely, 212965568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12965568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21409152).

12965568 is an abundant number, since it is smaller than the sum of its proper divisors (29852736).

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

12965568 is a wasteful number, since it uses less digits than its factorization.

12965568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 900 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 12965568 is about 3600.7732502894. The cubic root of 12965568 is about 234.9256925166.

The spelling of 12965568 in words is "twelve million, nine hundred sixty-five thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 132 154 168 176 192 224 231 264 308 336 352 448 462 528 616 672 704 877 924 1056 1232 1344 1754 1848 2112 2464 2631 3508 3696 4928 5262 6139 7016 7392 9647 10524 12278 14032 14784 18417 19294 21048 24556 28064 28941 36834 38588 42096 49112 56128 57882 67529 73668 77176 84192 98224 115764 135058 147336 154352 168384 196448 202587 231528 270116 294672 308704 392896 405174 463056 540232 589344 617408 810348 926112 1080464 1178688 1620696 1852224 2160928 3241392 4321856 6482784 12965568