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12734620 = 225636731
BaseRepresentation
bin110000100101…
…000010011100
3212221222121121
4300211002130
511230001440
61132540324
7213146113
oct60450234
925858547
1012734620
117208788
1243216a4
13283b4a2
141996c7a
1511b834a
hexc2509c

12734620 has 12 divisors (see below), whose sum is σ = 26742744. Its totient is φ = 5093840.

The previous prime is 12734609. The next prime is 12734621. The reversal of 12734620 is 2643721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318346 + ... + 318385.

It is an arithmetic number, because the mean of its divisors is an integer number (2228562).

Almost surely, 212734620 is an apocalyptic number.

12734620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12734620 is an abundant number, since it is smaller than the sum of its proper divisors (14008124).

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

12734620 is a wasteful number, since it uses less digits than its factorization.

12734620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636740 (or 636738 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12734620 is about 3568.5599336427. The cubic root of 12734620 is about 233.5224634378.

The spelling of 12734620 in words is "twelve million, seven hundred thirty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 636731 1273462 2546924 3183655 6367310 12734620