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12829680 = 24325103173
BaseRepresentation
bin110000111100…
…001111110000
3220010211000100
4300330033300
511241022210
61134552400
7214023213
oct60741760
926124010
1012829680
117273146
124368700
132872836
1419bd77a
1511d65c0
hexc3c3f0

12829680 has 120 divisors (see below), whose sum is σ = 43756128. Its totient is φ = 3368448.

The previous prime is 12829673. The next prime is 12829709. The reversal of 12829680 is 8692821.

12829680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74074 + ... + 74246.

Almost surely, 212829680 is an apocalyptic number.

12829680 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 12829680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21878064).

12829680 is an abundant number, since it is smaller than the sum of its proper divisors (30926448).

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

12829680 is a wasteful number, since it uses less digits than its factorization.

12829680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 12829680 is about 3581.8542683923. The cubic root of 12829680 is about 234.1020812556.

The spelling of 12829680 in words is "twelve million, eight hundred twenty-nine thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 103 120 144 173 180 206 240 309 346 360 412 515 519 618 692 720 824 865 927 1030 1038 1236 1384 1545 1557 1648 1730 1854 2060 2076 2472 2595 2768 3090 3114 3460 3708 4120 4152 4635 4944 5190 6180 6228 6920 7416 7785 8240 8304 9270 10380 12360 12456 13840 14832 15570 17819 18540 20760 24720 24912 31140 35638 37080 41520 53457 62280 71276 74160 89095 106914 124560 142552 160371 178190 213828 267285 285104 320742 356380 427656 534570 641484 712760 801855 855312 1069140 1282968 1425520 1603710 2138280 2565936 3207420 4276560 6414840 12829680