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12806092 = 2213246271
BaseRepresentation
bin110000110110…
…011111001100
3220002121122201
4300312133030
511234243332
61134251244
7213564355
oct60663714
926077581
1012806092
117257452
124356b24
132864b90
1419b4d2c
1511ce5e7
hexc367cc

12806092 has 12 divisors (see below), whose sum is σ = 24134656. Its totient is φ = 5910480.

The previous prime is 12806077. The next prime is 12806099. The reversal of 12806092 is 29060821.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12806092.

It is not an unprimeable number, because it can be changed into a prime (12806099) 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, 123084 + ... + 123187.

Almost surely, 212806092 is an apocalyptic number.

It is an amenable number.

12806092 is a deficient number, since it is larger than the sum of its proper divisors (11328564).

12806092 is a wasteful number, since it uses less digits than its factorization.

12806092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246288 (or 246286 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12806092 is about 3578.5600456049. The cubic root of 12806092 is about 233.9585238296.

The spelling of 12806092 in words is "twelve million, eight hundred six thousand, ninety-two".

Divisors: 1 2 4 13 26 52 246271 492542 985084 3201523 6403046 12806092