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13113223 is a prime number
BaseRepresentation
bin110010000001…
…011110000111
3220200012221221
4302001132013
511324110343
61145021211
7216313654
oct62013607
926605857
1013113223
117447182
124484807
132941906
141a54c2b
1512405ed
hexc81787

13113223 has 2 divisors, whose sum is σ = 13113224. Its totient is φ = 13113222.

The previous prime is 13113181. The next prime is 13113241. The reversal of 13113223 is 32231131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13113223 - 29 = 13112711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13113197 and 13113206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13113263) by changing a digit.

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 as a sum of consecutive naturals, namely, 6556611 + 6556612.

It is an arithmetic number, because the mean of its divisors is an integer number (6556612).

Almost surely, 213113223 is an apocalyptic number.

13113223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113223 is an equidigital number, since it uses as much as digits as its factorization.

13113223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 16.

The square root of 13113223 is about 3621.2184413537. The cubic root of 13113223 is about 235.8141251640.

Adding to 13113223 its reverse (32231131), we get a palindrome (45344354).

The spelling of 13113223 in words is "thirteen million, one hundred thirteen thousand, two hundred twenty-three".