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12272636 = 223068159
BaseRepresentation
bin101110110100…
…001111111100
3212002111220002
4232310033330
511120211021
61115013432
7206213165
oct56641774
925074802
1012272636
116a22682
12413a278
13270911c
1418b676c
15112650b
hexbb43fc

12272636 has 6 divisors (see below), whose sum is σ = 21477120. Its totient is φ = 6136316.

The previous prime is 12272633. The next prime is 12272671. The reversal of 12272636 is 63627221.

It is a super-3 number, since 3×122726363 (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12272599 and 12272608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534076 + ... + 1534083.

It is an arithmetic number, because the mean of its divisors is an integer number (3579520).

Almost surely, 212272636 is an apocalyptic number.

It is an amenable number.

12272636 is a deficient number, since it is larger than the sum of its proper divisors (9204484).

12272636 is a wasteful number, since it uses less digits than its factorization.

12272636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068163 (or 3068161 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 12272636 is about 3503.2322218203. The cubic root of 12272636 is about 230.6637161276.

Adding to 12272636 its reverse (63627221), we get a palindrome (75899857).

The spelling of 12272636 in words is "twelve million, two hundred seventy-two thousand, six hundred thirty-six".

Divisors: 1 2 4 3068159 6136318 12272636