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12611868 = 2232936241
BaseRepresentation
bin110000000111…
…000100011100
3212201202020020
4300013010130
511212034433
61130152140
7212125203
oct60070434
925652206
1012611868
117134535
124282650
1327c7659
14196423a
151191cb3
hexc0711c

12611868 has 24 divisors (see below), whose sum is σ = 30443280. Its totient is φ = 4058880.

The previous prime is 12611849. The next prime is 12611869. The reversal of 12611868 is 86811621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17773 + ... + 18468.

It is an arithmetic number, because the mean of its divisors is an integer number (1268470).

Almost surely, 212611868 is an apocalyptic number.

It is an amenable number.

12611868 is an abundant number, since it is smaller than the sum of its proper divisors (17831412).

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

12611868 is a wasteful number, since it uses less digits than its factorization.

12611868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36277 (or 36275 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 12611868 is about 3551.3191915118. The cubic root of 12611868 is about 232.7697135882.

The spelling of 12611868 in words is "twelve million, six hundred eleven thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 36241 72482 108723 144964 217446 434892 1050989 2101978 3152967 4203956 6305934 12611868