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13422169 is a prime number
BaseRepresentation
bin110011001100…
…111001011001
3221020220202101
4303030321121
511414002134
61155403401
7222041455
oct63147131
927226671
1013422169
117638302
1245b3561
132a1c417
141ad5665
1512a1e14
hexccce59

13422169 has 2 divisors, whose sum is σ = 13422170. Its totient is φ = 13422168.

The previous prime is 13422139. The next prime is 13422209. The reversal of 13422169 is 96122431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 26569 = 3660^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 13422169 - 25 = 13422137 is a prime.

It is a super-2 number, since 2×134221692 = 360309241329122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13422109) 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, 6711084 + 6711085.

It is an arithmetic number, because the mean of its divisors is an integer number (6711085).

Almost surely, 213422169 is an apocalyptic number.

It is an amenable number.

13422169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422169 is an equidigital number, since it uses as much as digits as its factorization.

13422169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 13422169 is about 3663.6278468207. The cubic root of 13422169 is about 237.6516866642.

The spelling of 13422169 in words is "thirteen million, four hundred twenty-two thousand, one hundred sixty-nine".