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12696270 = 235423209
BaseRepresentation
bin110000011011…
…101011001110
3212220001000020
4300123223032
511222240040
61132043010
7212626236
oct60335316
925801006
1012696270
117191994
124303466
132826bb2
141986cc6
1511abcd0
hexc1bace

12696270 has 16 divisors (see below), whose sum is σ = 30471120. Its totient is φ = 3385664.

The previous prime is 12696239. The next prime is 12696283. The reversal of 12696270 is 7269621.

It is a super-2 number, since 2×126962702 = 322390543825800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 211575 + ... + 211634.

It is an arithmetic number, because the mean of its divisors is an integer number (1904445).

Almost surely, 212696270 is an apocalyptic number.

12696270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12696270 is an abundant number, since it is smaller than the sum of its proper divisors (17774850).

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

12696270 is a wasteful number, since it uses less digits than its factorization.

12696270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423219.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12696270 is about 3563.1825661900. The cubic root of 12696270 is about 233.2878119814.

The spelling of 12696270 in words is "twelve million, six hundred ninety-six thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 423209 846418 1269627 2116045 2539254 4232090 6348135 12696270