Search a number
-
+
12612912 = 24313172941
BaseRepresentation
bin110000000111…
…010100110000
3212201210122220
4300013110300
511212103122
61130201040
7212131224
oct60072460
925653586
1012612912
1171352a4
124283180
1327c7c80
141964784
15119225c
hexc07530

12612912 has 160 divisors (see below), whose sum is σ = 39372480. Its totient is φ = 3440640.

The previous prime is 12612907. The next prime is 12612913. The reversal of 12612912 is 21921621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12612913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307612 + ... + 307652.

It is an arithmetic number, because the mean of its divisors is an integer number (246078).

Almost surely, 212612912 is an apocalyptic number.

12612912 is a gapful number since it is divisible by the number (12) 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 12612912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19686240).

12612912 is an abundant number, since it is smaller than the sum of its proper divisors (26759568).

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

12612912 is a wasteful number, since it uses less digits than its factorization.

12612912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 105 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 12612912 is about 3551.4661761025. The cubic root of 12612912 is about 232.7761362391.

It can be divided in two parts, 12 and 612912, that multiplied together give a square (7354944 = 27122).

The spelling of 12612912 in words is "twelve million, six hundred twelve thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 29 34 39 41 48 51 52 58 68 78 82 87 102 104 116 123 136 156 164 174 204 208 221 232 246 272 312 328 348 377 408 442 464 492 493 533 624 656 663 696 697 754 816 884 984 986 1066 1131 1189 1326 1392 1394 1479 1508 1599 1768 1968 1972 2091 2132 2262 2378 2652 2788 2958 3016 3198 3536 3567 3944 4182 4264 4524 4756 5304 5576 5916 6032 6396 6409 7134 7888 8364 8528 9048 9061 9512 10608 11152 11832 12792 12818 14268 15457 16728 18096 18122 19024 19227 20213 23664 25584 25636 27183 28536 30914 33456 36244 38454 40426 46371 51272 54366 57072 60639 61828 72488 76908 80852 92742 102544 108732 121278 123656 144976 153816 161704 185484 217464 242556 247312 262769 307632 323408 370968 434928 485112 525538 741936 788307 970224 1051076 1576614 2102152 3153228 4204304 6306456 12612912