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13199189 is a prime number
BaseRepresentation
bin110010010110…
…011101010101
3220211120212212
4302112131111
511334333224
61150523205
7220122413
oct62263525
926746785
1013199189
1174a5823
124506505
132971a93
141a782b3
15125ad0e
hexc96755

13199189 has 2 divisors, whose sum is σ = 13199190. Its totient is φ = 13199188.

The previous prime is 13199183. The next prime is 13199209. The reversal of 13199189 is 98199131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 58564 = 3625^2 + 242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13199189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13199183) 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, 6599594 + 6599595.

It is an arithmetic number, because the mean of its divisors is an integer number (6599595).

Almost surely, 213199189 is an apocalyptic number.

It is an amenable number.

13199189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13199189 is an equidigital number, since it uses as much as digits as its factorization.

13199189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 41.

The square root of 13199189 is about 3633.0688130009. The cubic root of 13199189 is about 236.3283099392.

The spelling of 13199189 in words is "thirteen million, one hundred ninety-nine thousand, one hundred eighty-nine".