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12725904 = 243265123
BaseRepresentation
bin110000100010…
…111010010000
3212221112122210
4300202322100
511224212104
61132432120
7213111522
oct60427220
925845583
1012725904
117202184
124318640
132837529
141993a12
1511b5989
hexc22e90

12725904 has 20 divisors (see below), whose sum is σ = 32875376. Its totient is φ = 4241952.

The previous prime is 12725879. The next prime is 12725917. The reversal of 12725904 is 40952721.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132514 + ... + 132609.

Almost surely, 212725904 is an apocalyptic number.

It is an amenable number.

12725904 is an abundant number, since it is smaller than the sum of its proper divisors (20149472).

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

12725904 is a wasteful number, since it uses less digits than its factorization.

12725904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265134 (or 265128 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12725904 is about 3567.3385037027. The cubic root of 12725904 is about 233.4691744160.

The spelling of 12725904 in words is "twelve million, seven hundred twenty-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 265123 530246 795369 1060492 1590738 2120984 3181476 4241968 6362952 12725904