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12741630 = 2351138611
BaseRepresentation
bin110000100110…
…101111111110
3212222100020020
4300212233332
511230213010
61133033010
7213205416
oct60465776
925870206
1012741630
117212a80
124325766
132841735
141999646
1511ba470
hexc26bfe

12741630 has 32 divisors (see below), whose sum is σ = 33360768. Its totient is φ = 3088800.

The previous prime is 12741613. The next prime is 12741661. The reversal of 12741630 is 3614721.

12741630 = T653 + T654 + ... + T707.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12741630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18976 + ... + 19635.

It is an arithmetic number, because the mean of its divisors is an integer number (1042524).

Almost surely, 212741630 is an apocalyptic number.

12741630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12741630 is an abundant number, since it is smaller than the sum of its proper divisors (20619138).

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

12741630 is a wasteful number, since it uses less digits than its factorization.

12741630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38632.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12741630 is about 3569.5419874264. The cubic root of 12741630 is about 233.5653044541.

The spelling of 12741630 in words is "twelve million, seven hundred forty-one thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 38611 77222 115833 193055 231666 386110 424721 579165 849442 1158330 1274163 2123605 2548326 4247210 6370815 12741630