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13353209 is a prime number
BaseRepresentation
bin110010111100…
…000011111001
3221010102011022
4302330003321
511404300314
61154112225
7221333432
oct62740371
927112138
1013353209
1175a0511
12457b675
1329c6c0c
141ab8489
15128b78e
hexcbc0f9

13353209 has 2 divisors, whose sum is σ = 13353210. Its totient is φ = 13353208.

The previous prime is 13353173. The next prime is 13353227. The reversal of 13353209 is 90235331.

13353209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 4826809 = 2920^2 + 2197^2 .

It is an emirp because it is prime and its reverse (90235331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13353209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13353259) 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, 6676604 + 6676605.

It is an arithmetic number, because the mean of its divisors is an integer number (6676605).

Almost surely, 213353209 is an apocalyptic number.

It is an amenable number.

13353209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13353209 is an equidigital number, since it uses as much as digits as its factorization.

13353209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 13353209 is about 3654.2042909504. The cubic root of 13353209 is about 237.2439878438.

The spelling of 13353209 in words is "thirteen million, three hundred fifty-three thousand, two hundred nine".