Search a number
-
+
12768216 = 233532009
BaseRepresentation
bin110000101101…
…001111011000
3220000200200220
4300231033120
511232040331
61133400040
7213346056
oct60551730
926020626
1012768216
117230a4a
124339020
132850876
1419a51d6
1511c3296
hexc2d3d8

12768216 has 16 divisors (see below), whose sum is σ = 31920600. Its totient is φ = 4256064.

The previous prime is 12768191. The next prime is 12768221. The reversal of 12768216 is 61286721.

12768216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265981 + ... + 266028.

Almost surely, 212768216 is an apocalyptic number.

It is an amenable number.

12768216 is an abundant number, since it is smaller than the sum of its proper divisors (19152384).

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

12768216 is a wasteful number, since it uses less digits than its factorization.

12768216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532018 (or 532014 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 12768216 is about 3573.2640540548. The cubic root of 12768216 is about 233.7276398679.

The spelling of 12768216 in words is "twelve million, seven hundred sixty-eight thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 532009 1064018 1596027 2128036 3192054 4256072 6384108 12768216