Search a number
-
+
12741236 = 226734733
BaseRepresentation
bin110000100110…
…101001110100
3212222022200122
4300212221310
511230204421
61133031112
7213204314
oct60465164
925868618
1012741236
117212752
124325498
1328414c1
141999444
1511ba2ab
hexc26a74

12741236 has 12 divisors (see below), whose sum is σ = 22335012. Its totient is φ = 6359808.

The previous prime is 12741233. The next prime is 12741259. The reversal of 12741236 is 63214721.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 9572836 = 1780^2 + 3094^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12741233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (1861251).

Almost surely, 212741236 is an apocalyptic number.

It is an amenable number.

12741236 is a deficient number, since it is larger than the sum of its proper divisors (9593776).

12741236 is a wasteful number, since it uses less digits than its factorization.

12741236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410 (or 5408 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 12741236 is about 3569.4867978464. The cubic root of 12741236 is about 233.5628969736.

Adding to 12741236 its reverse (63214721), we get a palindrome (75955957).

The spelling of 12741236 in words is "twelve million, seven hundred forty-one thousand, two hundred thirty-six".

Divisors: 1 2 4 673 1346 2692 4733 9466 18932 3185309 6370618 12741236