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1273313 is a prime number
BaseRepresentation
bin100110110110111100001
32101200122202
410312313201
5311221223
643142545
713552166
oct4666741
92350582
101273313
1179a728
12514a55
13357752
1425206d
151a2428
hex136de1

1273313 has 2 divisors, whose sum is σ = 1273314. Its totient is φ = 1273312.

The previous prime is 1273309. The next prime is 1273331. The reversal of 1273313 is 3133721.

It is a happy number.

Together with next prime (1273331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 595984 = 823^2 + 772^2 .

It is an emirp because it is prime and its reverse (3133721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1273313 - 22 = 1273309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1273333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636656 + 636657.

It is an arithmetic number, because the mean of its divisors is an integer number (636657).

21273313 is an apocalyptic number.

It is an amenable number.

1273313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273313 is an equidigital number, since it uses as much as digits as its factorization.

1273313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 20.

The square root of 1273313 is about 1128.4117156428. The cubic root of 1273313 is about 108.3872982943.

The spelling of 1273313 in words is "one million, two hundred seventy-three thousand, three hundred thirteen".