Search a number
-
+
12770724 = 2231636529
BaseRepresentation
bin110000101101…
…110110100100
3220000211010210
4300231312210
511232130344
61133415420
7213356301
oct60556644
926024123
1012770724
11723291a
12433a570
132851a55
1419a60a8
1511c3db9
hexc2dda4

12770724 has 24 divisors (see below), whose sum is σ = 29985760. Its totient is φ = 4230144.

The previous prime is 12770711. The next prime is 12770731. The reversal of 12770724 is 42707721.

12770724 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12770691 and 12770700.

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, 1309 + ... + 5220.

Almost surely, 212770724 is an apocalyptic number.

It is an amenable number.

12770724 is an abundant number, since it is smaller than the sum of its proper divisors (17215036).

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

12770724 is a wasteful number, since it uses less digits than its factorization.

12770724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699 (or 6697 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12770724 is about 3573.6149764629. The cubic root of 12770724 is about 233.7429422026.

The spelling of 12770724 in words is "twelve million, seven hundred seventy thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 6529 13058 19587 26116 39174 78348 1064227 2128454 3192681 4256908 6385362 12770724