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12806604 = 2232438273
BaseRepresentation
bin110000110110…
…100111001100
3220002122100200
4300312213030
511234302404
61134253500
7213566016
oct60664714
926078320
1012806604
117257878
124357290
132865195
1419b51b6
1511ce839
hexc369cc

12806604 has 36 divisors (see below), whose sum is σ = 33129096. Its totient is φ = 4169088.

The previous prime is 12806597. The next prime is 12806617. The reversal of 12806604 is 40660821.

12806604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2589 + ... + 5684.

Almost surely, 212806604 is an apocalyptic number.

It is an amenable number.

12806604 is an abundant number, since it is smaller than the sum of its proper divisors (20322492).

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

12806604 is a wasteful number, since it uses less digits than its factorization.

12806604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8321 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12806604 is about 3578.6315820436. The cubic root of 12806604 is about 233.9616417511.

The spelling of 12806604 in words is "twelve million, eight hundred six thousand, six hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 8273 16546 24819 33092 49638 74457 99276 148914 297828 355739 711478 1067217 1422956 2134434 3201651 4268868 6403302 12806604