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12923849 is a prime number
BaseRepresentation
bin110001010011…
…001111001001
3220022121012002
4301103033021
511302030344
61141000345
7214564601
oct61231711
926277162
1012923849
117327974
1243b30b5
1328a6663
141a05c01
15120444e
hexc533c9

12923849 has 2 divisors, whose sum is σ = 12923850. Its totient is φ = 12923848.

The previous prime is 12923839. The next prime is 12923873. The reversal of 12923849 is 94832921.

12923849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 2458624 = 3235^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 12923849 - 28 = 12923593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12923809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461924 + 6461925.

It is an arithmetic number, because the mean of its divisors is an integer number (6461925).

Almost surely, 212923849 is an apocalyptic number.

It is an amenable number.

12923849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12923849 is an equidigital number, since it uses as much as digits as its factorization.

12923849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 12923849 is about 3594.9755214744. The cubic root of 12923849 is about 234.6734501723.

The spelling of 12923849 in words is "twelve million, nine hundred twenty-three thousand, eight hundred forty-nine".