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12868294 = 253731663
BaseRepresentation
bin110001000101…
…101011000110
3220012202222111
4301011223012
511243241134
61135451234
7214243615
oct61055306
926182874
1012868294
11729a15a
124386b1a
13288729a
1419cd87c
1511e2c64
hexc45ac6

12868294 has 16 divisors (see below), whose sum is σ = 19948032. Its totient is φ = 6222528.

The previous prime is 12868291. The next prime is 12868307. The reversal of 12868294 is 49286821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6907 + ... + 8569.

It is an arithmetic number, because the mean of its divisors is an integer number (1246752).

Almost surely, 212868294 is an apocalyptic number.

12868294 is a deficient number, since it is larger than the sum of its proper divisors (7079738).

12868294 is a wasteful number, since it uses less digits than its factorization.

12868294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

The product of its digits is 55296, while the sum is 40.

The square root of 12868294 is about 3587.2404435722. The cubic root of 12868294 is about 234.3367081502.

The spelling of 12868294 in words is "twelve million, eight hundred sixty-eight thousand, two hundred ninety-four".

Divisors: 1 2 53 73 106 146 1663 3326 3869 7738 88139 121399 176278 242798 6434147 12868294