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12805068 = 22310332
BaseRepresentation
bin110000110110…
…001111001100
3220002120020210
4300312033030
511234230233
61134242420
7213561363
oct60661714
926076223
1012805068
117256701
124356410
132864583
1419b47da
1511ce163
hexc363cc

12805068 has 18 divisors (see below), whose sum is σ = 29907444. Its totient is φ = 4264224.

The previous prime is 12805061. The next prime is 12805073. The reversal of 12805068 is 86050821.

12805068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12805061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11880 + ... + 12912.

Almost surely, 212805068 is an apocalyptic number.

It is an amenable number.

12805068 is an abundant number, since it is smaller than the sum of its proper divisors (17102376).

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

12805068 is an equidigital number, since it uses as much as digits as its factorization.

12805068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 12805068 is about 3578.4169684373. The cubic root of 12805068 is about 233.9522877373.

Adding to 12805068 its reverse (86050821), we get a palindrome (98855889).

The spelling of 12805068 in words is "twelve million, eight hundred five thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 1033 2066 3099 4132 6198 12396 1067089 2134178 3201267 4268356 6402534 12805068