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13211713 is a prime number
BaseRepresentation
bin110010011001…
…100001000001
3220212020001201
4302121201001
511340233323
61151101201
7220204054
oct62314101
926766051
1013211713
117504179
124511801
1329776a8
141a7ca9b
15125e8ad
hexc99841

13211713 has 2 divisors, whose sum is σ = 13211714. Its totient is φ = 13211712.

The previous prime is 13211711. The next prime is 13211719. The reversal of 13211713 is 31711231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8225424 + 4986289 = 2868^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 13211713 - 21 = 13211711 is a prime.

Together with 13211711, it forms a pair of twin primes.

It is equal to p862111 and since 13211713 and 862111 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13211711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605856 + 6605857.

It is an arithmetic number, because the mean of its divisors is an integer number (6605857).

Almost surely, 213211713 is an apocalyptic number.

It is an amenable number.

13211713 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211713 is an equidigital number, since it uses as much as digits as its factorization.

13211713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 19.

The square root of 13211713 is about 3634.7920160581. The cubic root of 13211713 is about 236.4030327150.

Adding to 13211713 its reverse (31711231), we get a palindrome (44922944).

It can be divided in two parts, 13211 and 713, that added together give a square (13924 = 1182).

The spelling of 13211713 in words is "thirteen million, two hundred eleven thousand, seven hundred thirteen".