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12841489 is a prime number
BaseRepresentation
bin110000111111…
…001000010001
3220011102012201
4300333020101
511241411424
61135123201
7214102513
oct60771021
926142181
1012841489
117281001
124373501
13287801b
1419c3bb3
1511d9d44
hexc3f211

12841489 has 2 divisors, whose sum is σ = 12841490. Its totient is φ = 12841488.

The previous prime is 12841463. The next prime is 12841523. The reversal of 12841489 is 98414821.

12841489 is digitally balanced in base 3, 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., 12837889 + 3600 = 3583^2 + 60^2 .

It is an emirp because it is prime and its reverse (98414821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12841489 - 215 = 12808721 is a prime.

It is not a weakly prime, because it can be changed into another prime (12841459) 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, 6420744 + 6420745.

It is an arithmetic number, because the mean of its divisors is an integer number (6420745).

Almost surely, 212841489 is an apocalyptic number.

It is an amenable number.

12841489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12841489 is an equidigital number, since it uses as much as digits as its factorization.

12841489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 12841489 is about 3583.5023370998. The cubic root of 12841489 is about 234.1738851696.

The spelling of 12841489 in words is "twelve million, eight hundred forty-one thousand, four hundred eighty-nine".