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12929070 = 23571129193
BaseRepresentation
bin110001010100…
…100000101110
3220022212100110
4301110200232
511302212240
61141040450
7214616040
oct61244056
926285313
1012929070
117330890
1243b6126
1328a8b4b
141a07a90
151205c80
hexc5482e

12929070 has 128 divisors (see below), whose sum is σ = 40227840. Its totient is φ = 2580480.

The previous prime is 12929051. The next prime is 12929087. The reversal of 12929070 is 7092921.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66894 + ... + 67086.

It is an arithmetic number, because the mean of its divisors is an integer number (314280).

Almost surely, 212929070 is an apocalyptic number.

12929070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12929070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20113920).

12929070 is an abundant number, since it is smaller than the sum of its proper divisors (27298770).

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

12929070 is a wasteful number, since it uses less digits than its factorization.

12929070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 12929070 is about 3595.7016005225. The cubic root of 12929070 is about 234.7050471867.

The spelling of 12929070 in words is "twelve million, nine hundred twenty-nine thousand, seventy".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 29 30 33 35 42 55 58 66 70 77 87 105 110 145 154 165 174 193 203 210 231 290 319 330 385 386 406 435 462 579 609 638 770 870 957 965 1015 1155 1158 1218 1351 1595 1914 1930 2030 2123 2233 2310 2702 2895 3045 3190 4053 4246 4466 4785 5597 5790 6090 6369 6699 6755 8106 9570 10615 11165 11194 12738 13398 13510 14861 16791 20265 21230 22330 27985 29722 31845 33495 33582 39179 40530 44583 55970 61567 63690 66990 74305 78358 83955 89166 117537 123134 148610 167910 184701 195895 222915 235074 307835 369402 391790 430969 445830 587685 615670 861938 923505 1175370 1292907 1847010 2154845 2585814 4309690 6464535 12929070