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12992268 = 2236117749
BaseRepresentation
bin110001100011…
…111100001100
3220110002001010
4301203330030
511311223033
61142245220
7215301222
oct61437414
926402033
1012992268
117374313
124426810
1328cb843
141a22b12
151219863
hexc63f0c

12992268 has 24 divisors (see below), whose sum is σ = 30814000. Its totient is φ = 4259520.

The previous prime is 12992251. The next prime is 12992269. The reversal of 12992268 is 86229921.

12992268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12992269) 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, 8143 + ... + 9606.

Almost surely, 212992268 is an apocalyptic number.

It is an amenable number.

12992268 is an abundant number, since it is smaller than the sum of its proper divisors (17821732).

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

12992268 is a wasteful number, since it uses less digits than its factorization.

12992268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17817 (or 17815 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 12992268 is about 3604.4788805041. The cubic root of 12992268 is about 235.0868428095.

The spelling of 12992268 in words is "twelve million, nine hundred ninety-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 17749 35498 53247 70996 106494 212988 1082689 2165378 3248067 4330756 6496134 12992268