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13325869 is a prime number
BaseRepresentation
bin110010110101…
…011000101101
3221002000122201
4302311120231
511402411434
61153341501
7221160634
oct62653055
927060581
1013325869
117581a17
124567891
1329b763b
141aac51b
151283614
hexcb562d

13325869 has 2 divisors, whose sum is σ = 13325870. Its totient is φ = 13325868.

The previous prime is 13325833. The next prime is 13325891. The reversal of 13325869 is 96852331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11812969 + 1512900 = 3437^2 + 1230^2 .

It is an emirp because it is prime and its reverse (96852331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13325869 - 29 = 13325357 is a prime.

It is a super-2 number, since 2×133258692 = 355157569210322, which contains 22 as substring.

It is equal to p869059 and since 13325869 and 869059 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320869) by changing a digit.

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 as a sum of consecutive naturals, namely, 6662934 + 6662935.

It is an arithmetic number, because the mean of its divisors is an integer number (6662935).

Almost surely, 213325869 is an apocalyptic number.

It is an amenable number.

13325869 is a deficient number, since it is larger than the sum of its proper divisors (1).

13325869 is an equidigital number, since it uses as much as digits as its factorization.

13325869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 13325869 is about 3650.4614776765. The cubic root of 13325869 is about 237.0819623106.

The spelling of 13325869 in words is "thirteen million, three hundred twenty-five thousand, eight hundred sixty-nine".