Search a number
-
+
12868412 = 224768449
BaseRepresentation
bin110001000101…
…101100111100
3220012210010212
4301011230330
511243242122
61135451552
7214244144
oct61055474
926183125
1012868412
11729a257
124386bb8
13288735b
1419cd924
1511e2ce2
hexc45b3c

12868412 has 12 divisors (see below), whose sum is σ = 22999200. Its totient is φ = 6297216.

The previous prime is 12868411. The next prime is 12868423. The reversal of 12868412 is 21486821.

It is a happy number.

12868412 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 not an unprimeable number, because it can be changed into a prime (12868411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34037 + ... + 34412.

It is an arithmetic number, because the mean of its divisors is an integer number (1916600).

Almost surely, 212868412 is an apocalyptic number.

It is an amenable number.

12868412 is a deficient number, since it is larger than the sum of its proper divisors (10130788).

12868412 is a wasteful number, since it uses less digits than its factorization.

12868412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68500 (or 68498 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 12868412 is about 3587.2568907175. The cubic root of 12868412 is about 234.3374244235.

The spelling of 12868412 in words is "twelve million, eight hundred sixty-eight thousand, four hundred twelve".

Divisors: 1 2 4 47 94 188 68449 136898 273796 3217103 6434206 12868412