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13411813 is a prime number
BaseRepresentation
bin110011001010…
…010111100101
3221020101112211
4303022113211
511413134223
61155243421
7221666332
oct63122745
927211484
1013411813
117630548
1245a9571
132a177ac
141ad1989
15129dd0d
hexcca5e5

13411813 has 2 divisors, whose sum is σ = 13411814. Its totient is φ = 13411812.

The previous prime is 13411807. The next prime is 13411817. The reversal of 13411813 is 31811431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9597604 + 3814209 = 3098^2 + 1953^2 .

It is an emirp because it is prime and its reverse (31811431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13411813 - 25 = 13411781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13411817) 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, 6705906 + 6705907.

It is an arithmetic number, because the mean of its divisors is an integer number (6705907).

Almost surely, 213411813 is an apocalyptic number.

It is an amenable number.

13411813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13411813 is an equidigital number, since it uses as much as digits as its factorization.

13411813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 13411813 is about 3662.2142209325. The cubic root of 13411813 is about 237.5905501443.

The spelling of 13411813 in words is "thirteen million, four hundred eleven thousand, eight hundred thirteen".