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12689003 is a prime number
BaseRepresentation
bin110000011001…
…111001101011
3212212200001002
4300121321223
511222022003
61131545215
7212566115
oct60317153
925780032
1012689003
117187488
1242bb20b
1328237b2
1419843b5
1511a9a88
hexc19e6b

12689003 has 2 divisors, whose sum is σ = 12689004. Its totient is φ = 12689002.

The previous prime is 12688993. The next prime is 12689029. The reversal of 12689003 is 30098621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12689003 - 214 = 12672619 is a prime.

It is a super-2 number, since 2×126890032 = 322021594268018, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12689603) 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, 6344501 + 6344502.

It is an arithmetic number, because the mean of its divisors is an integer number (6344502).

Almost surely, 212689003 is an apocalyptic number.

12689003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12689003 is an equidigital number, since it uses as much as digits as its factorization.

12689003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12689003 is about 3562.1626857851. The cubic root of 12689003 is about 233.2432942850.

The spelling of 12689003 in words is "twelve million, six hundred eighty-nine thousand, three".