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12904907 is a prime number
BaseRepresentation
bin110001001110…
…100111001011
3220021122012112
4301032213023
511300424112
61140332535
7214455431
oct61164713
926248175
1012904907
117314714
1243a414b
13289ab52
1419dcd51
1511eda22
hexc4e9cb

12904907 has 2 divisors, whose sum is σ = 12904908. Its totient is φ = 12904906.

The previous prime is 12904901. The next prime is 12904919. The reversal of 12904907 is 70940921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12904907 - 210 = 12903883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12904901) 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, 6452453 + 6452454.

It is an arithmetic number, because the mean of its divisors is an integer number (6452454).

Almost surely, 212904907 is an apocalyptic number.

12904907 is a deficient number, since it is larger than the sum of its proper divisors (1).

12904907 is an equidigital number, since it uses as much as digits as its factorization.

12904907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12904907 is about 3592.3400451516. The cubic root of 12904907 is about 234.5587434267.

The spelling of 12904907 in words is "twelve million, nine hundred four thousand, nine hundred seven".