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12856263 = 375311551
BaseRepresentation
bin110001000010…
…101111000111
3220012011110220
4301002233013
511242400023
61135315423
7214163550
oct61025707
926164426
1012856263
117291112
12437bb73
132881974
1419c9327
1511de3e3
hexc42bc7

12856263 has 16 divisors (see below), whose sum is σ = 19961856. Its totient is φ = 7207200.

The previous prime is 12856253. The next prime is 12856271. The reversal of 12856263 is 36265821.

12856263 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12856263 - 25 = 12856231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4663 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (1247616).

Almost surely, 212856263 is an apocalyptic number.

12856263 is a deficient number, since it is larger than the sum of its proper divisors (7105593).

12856263 is a wasteful number, since it uses less digits than its factorization.

12856263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11614.

The product of its digits is 17280, while the sum is 33.

The square root of 12856263 is about 3585.5631356873. The cubic root of 12856263 is about 234.2636556276.

The spelling of 12856263 in words is "twelve million, eight hundred fifty-six thousand, two hundred sixty-three".

Divisors: 1 3 7 21 53 159 371 1113 11551 34653 80857 242571 612203 1836609 4285421 12856263