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12740600 = 235263703
BaseRepresentation
bin110000100110…
…011111111000
3212222021211002
4300212133320
511230144400
61133024132
7213202415
oct60463770
925867732
1012740600
117212224
124325048
132841122
14199910c
1511b9ed5
hexc267f8

12740600 has 24 divisors (see below), whose sum is σ = 29622360. Its totient is φ = 5096160.

The previous prime is 12740593. The next prime is 12740603. The reversal of 12740600 is 604721.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31652 + ... + 32051.

It is an arithmetic number, because the mean of its divisors is an integer number (1234265).

Almost surely, 212740600 is an apocalyptic number.

12740600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12740600 is an abundant number, since it is smaller than the sum of its proper divisors (16881760).

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

12740600 is a wasteful number, since it uses less digits than its factorization.

12740600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63719 (or 63710 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12740600 is about 3569.3977082976. The cubic root of 12740600 is about 233.5590106820.

The spelling of 12740600 in words is "twelve million, seven hundred forty thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 63703 127406 254812 318515 509624 637030 1274060 1592575 2548120 3185150 6370300 12740600