Search a number
-
+
12808014 = 2319283397
BaseRepresentation
bin110000110110…
…111101001110
3220002201021220
4300312331032
511234324024
61134304210
7213603102
oct60667516
926081256
1012808014
11725893a
124358066
132865a0b
1419b5902
1511cee79
hexc36f4e

12808014 has 32 divisors (see below), whose sum is σ = 27127680. Its totient is φ = 4020192.

The previous prime is 12808009. The next prime is 12808039. The reversal of 12808014 is 41080821.

It is a congruent number.

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, 32064 + ... + 32460.

It is an arithmetic number, because the mean of its divisors is an integer number (847740).

Almost surely, 212808014 is an apocalyptic number.

12808014 is an abundant number, since it is smaller than the sum of its proper divisors (14319666).

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

12808014 is a wasteful number, since it uses less digits than its factorization.

12808014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 12808014 is about 3578.8285792980. The cubic root of 12808014 is about 233.9702277850.

Adding to 12808014 its reverse (41080821), we get a palindrome (53888835).

The spelling of 12808014 in words is "twelve million, eight hundred eight thousand, fourteen".

Divisors: 1 2 3 6 19 38 57 114 283 397 566 794 849 1191 1698 2382 5377 7543 10754 15086 16131 22629 32262 45258 112351 224702 337053 674106 2134669 4269338 6404007 12808014