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3120713 is a prime number
BaseRepresentation
bin1011111001111001001001
312212112210222
423321321021
51244330323
6150515425
735345201
oct13717111
95775728
103120713
111841702
121065b75
1385359b
145b3401
154199c8
hex2f9e49

3120713 has 2 divisors, whose sum is σ = 3120714. Its totient is φ = 3120712.

The previous prime is 3120703. The next prime is 3120727. The reversal of 3120713 is 3170213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 12544 = 1763^2 + 112^2 .

It is an emirp because it is prime and its reverse (3170213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3120713 - 24 = 3120697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120691 and 3120700.

It is not a weakly prime, because it can be changed into another prime (3120703) 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, 1560356 + 1560357.

It is an arithmetic number, because the mean of its divisors is an integer number (1560357).

Almost surely, 23120713 is an apocalyptic number.

It is an amenable number.

3120713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120713 is an equidigital number, since it uses as much as digits as its factorization.

3120713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 3120713 is about 1766.5539901175. The cubic root of 3120713 is about 146.1340015744.

Adding to 3120713 its reverse (3170213), we get a palindrome (6290926).

The spelling of 3120713 in words is "three million, one hundred twenty thousand, seven hundred thirteen".