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12813070 = 25172329113
BaseRepresentation
bin110000111000…
…001100001110
3220002222020011
4300320030032
511240004240
61134343434
7213623614
oct60701416
926088204
1012813070
117261716
12435ab7a
1328680ca
1419b76b4
1511d16ea
hexc3830e

12813070 has 64 divisors (see below), whose sum is σ = 26593920. Its totient is φ = 4415488.

The previous prime is 12813037. The next prime is 12813083. The reversal of 12813070 is 7031821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113334 + ... + 113446.

It is an arithmetic number, because the mean of its divisors is an integer number (415530).

Almost surely, 212813070 is an apocalyptic number.

12813070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12813070 is an abundant number, since it is smaller than the sum of its proper divisors (13780850).

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

12813070 is a wasteful number, since it uses less digits than its factorization.

12813070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12813070 is about 3579.5348859873. The cubic root of 12813070 is about 234.0010105394.

Adding to 12813070 its reverse (7031821), we get a palindrome (19844891).

The spelling of 12813070 in words is "twelve million, eight hundred thirteen thousand, seventy".

Divisors: 1 2 5 10 17 23 29 34 46 58 85 113 115 145 170 226 230 290 391 493 565 667 782 986 1130 1334 1921 1955 2465 2599 3277 3335 3842 3910 4930 5198 6554 6670 9605 11339 12995 16385 19210 22678 25990 32770 44183 55709 56695 75371 88366 111418 113390 150742 220915 278545 376855 441830 557090 753710 1281307 2562614 6406535 12813070