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1272673 is a prime number
BaseRepresentation
bin100110110101101100001
32101122210001
410312231201
5311211143
643140001
713550263
oct4665541
92348701
101272673
1179a1a6
12514601
1335737c
14251b33
151a214d
hex136b61

1272673 has 2 divisors, whose sum is σ = 1272674. Its totient is φ = 1272672.

The previous prime is 1272653. The next prime is 1272679. The reversal of 1272673 is 3762721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 289 = 1128^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272673 - 25 = 1272641 is a prime.

1272673 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1272679) 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, 636336 + 636337.

It is an arithmetic number, because the mean of its divisors is an integer number (636337).

21272673 is an apocalyptic number.

It is an amenable number.

1272673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272673 is an equidigital number, since it uses as much as digits as its factorization.

1272673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 1272673 is about 1128.1280955636. The cubic root of 1272673 is about 108.3691358325.

The spelling of 1272673 in words is "one million, two hundred seventy-two thousand, six hundred seventy-three".