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12768072 = 2335971127
BaseRepresentation
bin110000101101…
…001101001000
3220000200111120
4300231031020
511232034242
61133355240
7213345462
oct60551510
926020446
1012768072
117230929
124338b20
132850795
1419a5132
1511c31ec
hexc2d348

12768072 has 64 divisors (see below), whose sum is σ = 33177600. Its totient is φ = 4092480.

The previous prime is 12768047. The next prime is 12768089. The reversal of 12768072 is 27086721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100473 + ... + 100599.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 212768072 is an apocalyptic number.

12768072 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 12768072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16588800).

12768072 is an abundant number, since it is smaller than the sum of its proper divisors (20409528).

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

12768072 is a wasteful number, since it uses less digits than its factorization.

12768072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 12768072 is about 3573.2439043536. The cubic root of 12768072 is about 233.7267612041.

The spelling of 12768072 in words is "twelve million, seven hundred sixty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 59 71 118 127 142 177 213 236 254 284 354 381 426 472 508 568 708 762 852 1016 1416 1524 1704 3048 4189 7493 8378 9017 12567 14986 16756 18034 22479 25134 27051 29972 33512 36068 44958 50268 54102 59944 72136 89916 100536 108204 179832 216408 532003 1064006 1596009 2128012 3192018 4256024 6384036 12768072