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12980783 is a prime number
BaseRepresentation
bin110001100001…
…001000101111
3220102111021202
4301201020233
511310341113
61142120115
7215222564
oct61411057
926374252
1012980783
117366722
12442003b
1328c654a
141a1c86b
151216258
hexc6122f

12980783 has 2 divisors, whose sum is σ = 12980784. Its totient is φ = 12980782.

The previous prime is 12980753. The next prime is 12980837. The reversal of 12980783 is 38708921.

Together with next prime (12980837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12980783 - 212 = 12976687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12980713) 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, 6490391 + 6490392.

It is an arithmetic number, because the mean of its divisors is an integer number (6490392).

Almost surely, 212980783 is an apocalyptic number.

12980783 is a deficient number, since it is larger than the sum of its proper divisors (1).

12980783 is an equidigital number, since it uses as much as digits as its factorization.

12980783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12980783 is about 3602.8853714766. The cubic root of 12980783 is about 235.0175511262.

The spelling of 12980783 in words is "twelve million, nine hundred eighty thousand, seven hundred eighty-three".