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12261268 = 226745751
BaseRepresentation
bin101110110001…
…011110010100
3212001221022001
4232301132110
511114330033
61114445044
7206135065
oct56613624
925057261
1012261268
116a15088
124133784
132703bb6
1418b256c
151122e7d
hexbb1794

12261268 has 12 divisors (see below), whose sum is σ = 21777952. Its totient is φ = 6039000.

The previous prime is 12261259. The next prime is 12261269. The reversal of 12261268 is 86216221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22608 + ... + 23143.

Almost surely, 212261268 is an apocalyptic number.

It is an amenable number.

12261268 is a deficient number, since it is larger than the sum of its proper divisors (9516684).

12261268 is a wasteful number, since it uses less digits than its factorization.

12261268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45822 (or 45820 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 12261268 is about 3501.6093442873. The cubic root of 12261268 is about 230.5924737535.

Adding to 12261268 its reverse (86216221), we get a palindrome (98477489).

The spelling of 12261268 in words is "twelve million, two hundred sixty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 67 134 268 45751 91502 183004 3065317 6130634 12261268