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13067669 is a prime number
BaseRepresentation
bin110001110110…
…010110010101
3220120220110202
4301312112111
511321131134
61144030245
7216034106
oct61662625
926526422
1013067669
117415a2a
124462385
132926c64
141a423ad
151231d7e
hexc76595

13067669 has 2 divisors, whose sum is σ = 13067670. Its totient is φ = 13067668.

The previous prime is 13067651. The next prime is 13067693. The reversal of 13067669 is 96676031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 1932100 = 3337^2 + 1390^2 .

It is an emirp because it is prime and its reverse (96676031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13067669 - 28 = 13067413 is a prime.

It is a super-2 number, since 2×130676692 = 341527946187122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13067609) 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, 6533834 + 6533835.

It is an arithmetic number, because the mean of its divisors is an integer number (6533835).

Almost surely, 213067669 is an apocalyptic number.

It is an amenable number.

13067669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13067669 is an equidigital number, since it uses as much as digits as its factorization.

13067669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 13067669 is about 3614.9230973840. The cubic root of 13067669 is about 235.5407436083.

The spelling of 13067669 in words is "thirteen million, sixty-seven thousand, six hundred sixty-nine".