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12913003 is a prime number
BaseRepresentation
bin110001010000…
…100101101011
3220022001022101
4301100211223
511301204003
61140434231
7214521145
oct61204553
926261271
1012913003
11731a804
1243a8977
1328a173c
141a01c95
15120111d
hexc5096b

12913003 has 2 divisors, whose sum is σ = 12913004. Its totient is φ = 12913002.

The previous prime is 12912971. The next prime is 12913039. The reversal of 12913003 is 30031921.

It is a weak prime.

It is an emirp because it is prime and its reverse (30031921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12913003 - 25 = 12912971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12916003) 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, 6456501 + 6456502.

It is an arithmetic number, because the mean of its divisors is an integer number (6456502).

Almost surely, 212913003 is an apocalyptic number.

12913003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913003 is an equidigital number, since it uses as much as digits as its factorization.

12913003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 12913003 is about 3593.4667105735. The cubic root of 12913003 is about 234.6077839612.

Adding to 12913003 its reverse (30031921), we get a palindrome (42944924).

The spelling of 12913003 in words is "twelve million, nine hundred thirteen thousand, three".