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13144823 is a prime number
BaseRepresentation
bin110010001001…
…001011110111
3220201211022022
4302021023313
511331113243
61145423355
7216505046
oct62111367
926654268
1013144823
11746899a
12449ab5b
132953103
141a6255d
151249b68
hexc892f7

13144823 has 2 divisors, whose sum is σ = 13144824. Its totient is φ = 13144822.

The previous prime is 13144783. The next prime is 13144841. The reversal of 13144823 is 32844131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13144823 - 210 = 13143799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13144792 and 13144801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13144853) 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, 6572411 + 6572412.

It is an arithmetic number, because the mean of its divisors is an integer number (6572412).

Almost surely, 213144823 is an apocalyptic number.

13144823 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144823 is an equidigital number, since it uses as much as digits as its factorization.

13144823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 13144823 is about 3625.5789882445. The cubic root of 13144823 is about 236.0033933726.

Adding to 13144823 its reverse (32844131), we get a palindrome (45988954).

The spelling of 13144823 in words is "thirteen million, one hundred forty-four thousand, eight hundred twenty-three".