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12855668 = 2272931567
BaseRepresentation
bin110001000010…
…100101110100
3220012010122212
4301002211310
511242340133
61135312552
7214162040
oct61024564
926163585
1012855668
117290721
12437b758
132881607
1419c9020
1511de148
hexc42974

12855668 has 24 divisors (see below), whose sum is σ = 25815552. Its totient is φ = 5487264.

The previous prime is 12855617. The next prime is 12855677. The reversal of 12855668 is 86655821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7421 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (1075648).

Almost surely, 212855668 is an apocalyptic number.

It is an amenable number.

12855668 is an abundant number, since it is smaller than the sum of its proper divisors (12959884).

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

12855668 is a wasteful number, since it uses less digits than its factorization.

12855668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 12855668 is about 3585.4801631023. The cubic root of 12855668 is about 234.2600415908.

The spelling of 12855668 in words is "twelve million, eight hundred fifty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 293 586 1172 1567 2051 3134 4102 6268 8204 10969 21938 43876 459131 918262 1836524 3213917 6427834 12855668