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13285347 = 317331787
BaseRepresentation
bin110010101011…
…011111100011
3220222222001220
4302223133203
511400112342
61152430123
7220631535
oct62533743
926888056
1013285347
117554529
124548343
1329a206a
141a9b855
1512765ec
hexcab7e3

13285347 has 16 divisors (see below), whose sum is σ = 18836352. Its totient is φ = 8300160.

The previous prime is 13285333. The next prime is 13285357. The reversal of 13285347 is 74358231.

It is not a de Polignac number, because 13285347 - 28 = 13285091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13285357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16488 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (1177272).

Almost surely, 213285347 is an apocalyptic number.

13285347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13285347 is a deficient number, since it is larger than the sum of its proper divisors (5551005).

13285347 is a wasteful number, since it uses less digits than its factorization.

13285347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 20160, while the sum is 33.

The square root of 13285347 is about 3644.9069946982. The cubic root of 13285347 is about 236.8414079018.

The spelling of 13285347 in words is "thirteen million, two hundred eighty-five thousand, three hundred forty-seven".

Divisors: 1 3 17 51 331 787 993 2361 5627 13379 16881 40137 260497 781491 4428449 13285347