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12868108 = 221132417
BaseRepresentation
bin110001000101…
…101000001100
3220012202201121
4301011220030
511243234413
61135450324
7214243231
oct61055014
926182647
1012868108
11729a000
1243869a4
132887186
1419cd788
1511e2b8d
hexc45a0c

12868108 has 24 divisors (see below), whose sum is σ = 24779664. Its totient is φ = 5846720.

The previous prime is 12868103. The next prime is 12868123. The reversal of 12868108 is 80186821.

It is not an unprimeable number, because it can be changed into a prime (12868103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4116 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (1032486).

Almost surely, 212868108 is an apocalyptic number.

It is an amenable number.

12868108 is a deficient number, since it is larger than the sum of its proper divisors (11911556).

12868108 is a wasteful number, since it uses less digits than its factorization.

12868108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 12868108 is about 3587.2145182579. The cubic root of 12868108 is about 234.3355791003.

The spelling of 12868108 in words is "twelve million, eight hundred sixty-eight thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2417 2662 4834 5324 9668 26587 53174 106348 292457 584914 1169828 3217027 6434054 12868108