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12660936 = 2332918191
BaseRepresentation
bin110000010011…
…000011001000
3212211020112120
4300103003020
511220122221
61131211240
7212421231
oct60230310
925736476
1012660936
117168392
1242a6b20
132813aa2
141978088
1511a15c6
hexc130c8

12660936 has 32 divisors (see below), whose sum is σ = 32745600. Its totient is φ = 4074560.

The previous prime is 12660929. The next prime is 12660941. The reversal of 12660936 is 63906621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12660897 and 12660906.

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, 8400 + ... + 9791.

It is an arithmetic number, because the mean of its divisors is an integer number (1023300).

Almost surely, 212660936 is an apocalyptic number.

It is an amenable number.

12660936 is an abundant number, since it is smaller than the sum of its proper divisors (20084664).

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

12660936 is a wasteful number, since it uses less digits than its factorization.

12660936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18229 (or 18225 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 12660936 is about 3558.2209037664. The cubic root of 12660936 is about 233.0711958623.

The spelling of 12660936 in words is "twelve million, six hundred sixty thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 18191 36382 54573 72764 109146 145528 218292 436584 527539 1055078 1582617 2110156 3165234 4220312 6330468 12660936