Search a number
-
+
12263212 = 22131132087
BaseRepresentation
bin101110110001…
…111100101100
3212002000222001
4232301330230
511114410322
61114502044
7206143543
oct56617454
925060861
1012263212
116a16595
124134924
132704a50
1418b315a
151123827
hexbb1f2c

12263212 has 24 divisors (see below), whose sum is σ = 23327136. Its totient is φ = 5607168.

The previous prime is 12263183. The next prime is 12263261. The reversal of 12263212 is 21236221.

It is a self number, because there is not a number n which added to its sum of digits gives 12263212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4833 + ... + 6919.

It is an arithmetic number, because the mean of its divisors is an integer number (971964).

Almost surely, 212263212 is an apocalyptic number.

It is an amenable number.

12263212 is a deficient number, since it is larger than the sum of its proper divisors (11063924).

12263212 is a wasteful number, since it uses less digits than its factorization.

12263212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2215 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 12263212 is about 3501.8869199333. The cubic root of 12263212 is about 230.6046597710.

Adding to 12263212 its reverse (21236221), we get a palindrome (33499433).

The spelling of 12263212 in words is "twelve million, two hundred sixty-three thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 113 226 452 1469 2087 2938 4174 5876 8348 27131 54262 108524 235831 471662 943324 3065803 6131606 12263212