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1297193 is a prime number
BaseRepresentation
bin100111100101100101001
32102220102012
410330230221
5313002233
643445305
714011622
oct4745451
92386365
101297193
11806667
12526835
13365591
1425aa49
151a9548
hex13cb29

1297193 has 2 divisors, whose sum is σ = 1297194. Its totient is φ = 1297192.

The previous prime is 1297171. The next prime is 1297201. The reversal of 1297193 is 3917921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946729 + 350464 = 973^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 1297193 - 26 = 1297129 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1297103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648596 + 648597.

It is an arithmetic number, because the mean of its divisors is an integer number (648597).

21297193 is an apocalyptic number.

It is an amenable number.

1297193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297193 is an equidigital number, since it uses as much as digits as its factorization.

1297193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 32.

The square root of 1297193 is about 1138.9438089739. The cubic root of 1297193 is about 109.0606793975.

The spelling of 1297193 in words is "one million, two hundred ninety-seven thousand, one hundred ninety-three".