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13434217 is a prime number
BaseRepresentation
bin110011001111…
…110101101001
3221021112021121
4303033311221
511414343332
61155535241
7222121546
oct63176551
927245247
1013434217
117646365
1245ba521
132a24a54
141ad9bcd
1512a5797
hexccfd69

13434217 has 2 divisors, whose sum is σ = 13434218. Its totient is φ = 13434216.

The previous prime is 13434203. The next prime is 13434229. The reversal of 13434217 is 71243431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 1212201 = 3496^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 13434217 - 27 = 13434089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13434191 and 13434200.

It is not a weakly prime, because it can be changed into another prime (13434247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6717108 + 6717109.

It is an arithmetic number, because the mean of its divisors is an integer number (6717109).

Almost surely, 213434217 is an apocalyptic number.

It is an amenable number.

13434217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13434217 is an equidigital number, since it uses as much as digits as its factorization.

13434217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 13434217 is about 3665.2717498161. The cubic root of 13434217 is about 237.7227723248.

Adding to 13434217 its reverse (71243431), we get a palindrome (84677648).

The spelling of 13434217 in words is "thirteen million, four hundred thirty-four thousand, two hundred seventeen".