Search a number
-
+
12668212 = 2219231283
BaseRepresentation
bin110000010100…
…110100110100
3212211121112001
4300110310310
511220340322
61131305044
7212451364
oct60246464
925747461
1012668212
1171728a7
1242ab184
1328171ab
14197a9a4
1511a3827
hexc14d34

12668212 has 36 divisors (see below), whose sum is σ = 24237696. Its totient is φ = 5786640.

The previous prime is 12668209. The next prime is 12668237. The reversal of 12668212 is 21286621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44623 + ... + 44905.

Almost surely, 212668212 is an apocalyptic number.

It is an amenable number.

12668212 is a deficient number, since it is larger than the sum of its proper divisors (11569484).

12668212 is a wasteful number, since it uses less digits than its factorization.

12668212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 335 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 12668212 is about 3559.2431779804. The cubic root of 12668212 is about 233.1158345123.

It can be divided in two parts, 12668 and 212, that added together give a triangular number (12880 = T160).

The spelling of 12668212 in words is "twelve million, six hundred sixty-eight thousand, two hundred twelve".

Divisors: 1 2 4 19 31 38 62 76 124 283 361 566 589 722 1132 1178 1444 2356 5377 8773 10754 11191 17546 21508 22382 35092 44764 102163 166687 204326 333374 408652 666748 3167053 6334106 12668212