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13321105 = 57419283
BaseRepresentation
bin110010110100…
…001110010001
3221001210010021
4302310032101
511402233410
61153303441
7221141020
oct62641621
927053107
1013321105
117579386
124564b81
1329b5415
141aaa8b7
151281eda
hexcb4391

13321105 has 16 divisors (see below), whose sum is σ = 18716544. Its totient is φ = 8910720.

The previous prime is 13321097. The next prime is 13321111. The reversal of 13321105 is 50112331.

It is not a de Polignac number, because 13321105 - 23 = 13321097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207 + ... + 6076.

It is an arithmetic number, because the mean of its divisors is an integer number (1169784).

Almost surely, 213321105 is an apocalyptic number.

It is an amenable number.

13321105 is a deficient number, since it is larger than the sum of its proper divisors (5395439).

13321105 is an equidigital number, since it uses as much as digits as its factorization.

13321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13321105 is about 3649.8088991069. The cubic root of 13321105 is about 237.0537066652.

Adding to 13321105 its reverse (50112331), we get a palindrome (63433436).

The spelling of 13321105 in words is "thirteen million, three hundred twenty-one thousand, one hundred five".

Divisors: 1 5 7 35 41 205 287 1435 9283 46415 64981 324905 380603 1903015 2664221 13321105