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12108680 = 2351032939
BaseRepresentation
bin101110001100…
…001110001000
3211210011222122
4232030032020
511044434210
61111310412
7204631163
oct56141610
924704878
1012108680
116920481
12407b408
13267c5cc
141872ada
1510e2b55
hexb8c388

12108680 has 32 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 4794816.

The previous prime is 12108673. The next prime is 12108713. The reversal of 12108680 is 8680121.

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, 2651 + ... + 5589.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 212108680 is an apocalyptic number.

12108680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12108680 is an abundant number, since it is smaller than the sum of its proper divisors (15409720).

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

12108680 is a wasteful number, since it uses less digits than its factorization.

12108680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 12108680 is about 3479.7528647880. The cubic root of 12108680 is about 229.6319254533.

The spelling of 12108680 in words is "twelve million, one hundred eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 2060 2939 4120 5878 11756 14695 23512 29390 58780 117560 302717 605434 1210868 1513585 2421736 3027170 6054340 12108680