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13193797 is a prime number
BaseRepresentation
bin110010010101…
…001001000101
3220211022111011
4302111021011
511334200142
61150442221
7220100611
oct62251105
926738434
1013193797
1174a1771
124503371
13296c4a6
141a76341
151259417
hexc95245

13193797 has 2 divisors, whose sum is σ = 13193798. Its totient is φ = 13193796.

The previous prime is 13193783. The next prime is 13193813. The reversal of 13193797 is 79739131.

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., 11621281 + 1572516 = 3409^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 13193797 - 27 = 13193669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13193777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6596898 + 6596899.

It is an arithmetic number, because the mean of its divisors is an integer number (6596899).

Almost surely, 213193797 is an apocalyptic number.

It is an amenable number.

13193797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13193797 is an equidigital number, since it uses as much as digits as its factorization.

13193797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35721, while the sum is 40.

The square root of 13193797 is about 3632.3266648252. The cubic root of 13193797 is about 236.2961247344.

The spelling of 13193797 in words is "thirteen million, one hundred ninety-three thousand, seven hundred ninety-seven".