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12876160 = 275113159
BaseRepresentation
bin110001000111…
…100110000000
3220020011202211
4301013212000
511244014120
61135551504
7214305553
oct61074600
926204684
1012876160
1172a5060
12438b594
13288aa3b
1419d269a
1511e525a
hexc47980

12876160 has 128 divisors (see below), whose sum is σ = 35251200. Its totient is φ = 4454400.

The previous prime is 12876151. The next prime is 12876161. The reversal of 12876160 is 6167821.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12876161) 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, 218211 + ... + 218269.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

Almost surely, 212876160 is an apocalyptic number.

12876160 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 12876160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17625600).

12876160 is an abundant number, since it is smaller than the sum of its proper divisors (22375040).

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

12876160 is a wasteful number, since it uses less digits than its factorization.

12876160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12876160 is about 3588.3366620204. The cubic root of 12876160 is about 234.3844460785.

It can be divided in two parts, 128761 and 60, that added together give a palindrome (128821).

The spelling of 12876160 in words is "twelve million, eight hundred seventy-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 59 62 64 80 88 110 118 124 128 155 160 176 220 236 248 295 310 320 341 352 440 472 496 590 620 640 649 682 704 880 944 992 1180 1240 1298 1364 1408 1705 1760 1829 1888 1984 2360 2480 2596 2728 3245 3410 3520 3658 3776 3968 4720 4960 5192 5456 6490 6820 7040 7316 7552 9145 9440 9920 10384 10912 12980 13640 14632 18290 18880 19840 20119 20768 21824 25960 27280 29264 36580 37760 40238 41536 43648 51920 54560 58528 73160 80476 83072 100595 103840 109120 117056 146320 160952 201190 207680 218240 234112 292640 321904 402380 415360 585280 643808 804760 1170560 1287616 1609520 2575232 3219040 6438080 12876160