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12904112 = 241362039
BaseRepresentation
bin110001001110…
…011010110000
3220021121010002
4301032122300
511300412422
61140325132
7214453214
oct61163260
926247102
1012904112
117314061
1243a37a8
13289a690
1419dc944
1511ed692
hexc4e6b0

12904112 has 20 divisors (see below), whose sum is σ = 26925360. Its totient is φ = 5955648.

The previous prime is 12904103. The next prime is 12904117. The reversal of 12904112 is 21140921.

It is a super-2 number, since 2×129041122 = 333032213017088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12904117) 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 3 ways as a sum of consecutive naturals, for example, 30812 + ... + 31227.

It is an arithmetic number, because the mean of its divisors is an integer number (1346268).

Almost surely, 212904112 is an apocalyptic number.

It is an amenable number.

12904112 is an abundant number, since it is smaller than the sum of its proper divisors (14021248).

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

12904112 is a wasteful number, since it uses less digits than its factorization.

12904112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62060 (or 62054 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 12904112 is about 3592.2293913390. The cubic root of 12904112 is about 234.5539267052.

The spelling of 12904112 in words is "twelve million, nine hundred four thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 62039 124078 248156 496312 806507 992624 1613014 3226028 6452056 12904112