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12727700 = 2252127277
BaseRepresentation
bin110000100011…
…010110010100
3212221122010022
4300203112110
511224241300
61132444312
7213116666
oct60432624
925848108
1012727700
117203567
124319698
1328382ab
141994536
1511b6285
hexc23594

12727700 has 18 divisors (see below), whose sum is σ = 27619326. Its totient is φ = 5091040.

The previous prime is 12727697. The next prime is 12727703. The reversal of 12727700 is 772721.

It is an interprime number because it is at equal distance from previous prime (12727697) and next prime (12727703).

It can be written as a sum of positive squares in 3 ways, for example, as 2256004 + 10471696 = 1502^2 + 3236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12727700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12727703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63539 + ... + 63738.

It is an arithmetic number, because the mean of its divisors is an integer number (1534407).

Almost surely, 212727700 is an apocalyptic number.

12727700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12727700 is an abundant number, since it is smaller than the sum of its proper divisors (14891626).

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

12727700 is a wasteful number, since it uses less digits than its factorization.

12727700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127291 (or 127284 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 12727700 is about 3567.5902231058. The cubic root of 12727700 is about 233.4801570257.

The spelling of 12727700 in words is "twelve million, seven hundred twenty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 127277 254554 509108 636385 1272770 2545540 3181925 6363850 12727700