Search a number
-
+
12168636 = 2234124733
BaseRepresentation
bin101110011010…
…110110111100
3211220020020020
4232122312330
511103344021
61112452140
7205301034
oct56326674
924806206
1012168636
116961527
1240aa050
1326a099c
14188a8c4
1511057c6
hexb9adbc

12168636 has 24 divisors (see below), whose sum is σ = 29087184. Its totient is φ = 3957120.

The previous prime is 12168577. The next prime is 12168643. The reversal of 12168636 is 63686121.

It is a junction number, because it is equal to n+sod(n) for n = 12168597 and 12168606.

It is a congruent number.

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, 11875 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (1211966).

Almost surely, 212168636 is an apocalyptic number.

It is an amenable number.

12168636 is an abundant number, since it is smaller than the sum of its proper divisors (16918548).

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

12168636 is a wasteful number, since it uses less digits than its factorization.

12168636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24781 (or 24779 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 12168636 is about 3488.3572064799. The cubic root of 12168636 is about 230.0103082967.

The spelling of 12168636 in words is "twelve million, one hundred sixty-eight thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 24733 49466 74199 98932 148398 296796 1014053 2028106 3042159 4056212 6084318 12168636