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13706219 is a prime number
BaseRepresentation
bin110100010010…
…001111101011
3221210100101202
4310102033223
512002044334
61205434415
7224333552
oct64221753
927710352
1013706219
11781175a
12470ba0b
132abb7b7
141b6ad99
15130b17e
hexd123eb

13706219 has 2 divisors, whose sum is σ = 13706220. Its totient is φ = 13706218.

The previous prime is 13706213. The next prime is 13706227. The reversal of 13706219 is 91260731.

13706219 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13706219 - 28 = 13705963 is a prime.

It is a super-2 number, since 2×137062192 = 375720878551922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13706191 and 13706200.

It is not a weakly prime, because it can be changed into another prime (13706213) 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, 6853109 + 6853110.

It is an arithmetic number, because the mean of its divisors is an integer number (6853110).

Almost surely, 213706219 is an apocalyptic number.

13706219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13706219 is an equidigital number, since it uses as much as digits as its factorization.

13706219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13706219 is about 3702.1911079792. The cubic root of 13706219 is about 239.3164520146.

The spelling of 13706219 in words is "thirteen million, seven hundred six thousand, two hundred nineteen".