12482009 has 2 divisors, whose sum is σ = 12482010. Its totient is φ = 12482008.

The previous prime is 12481991. The next prime is 12482011. The reversal of 12482009 is 90028421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7441984 + 5040025 = 2728^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 12482009 - 2¹⁶ = 12416473 is a prime.

It is a Sophie Germain prime.

Together with 12482011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12482039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6241004 + 6241005.

It is an arithmetic number, because the mean of its divisors is an integer number (6241005).

Almost surely, 2^12482009 is an apocalyptic number.

It is an amenable number.

12482009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12482009 is an equidigital number, since it uses as much as digits as its factorization.

12482009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12482009 is about 3532.9886781590. The cubic root of 12482009 is about 231.9680457873.

The spelling of 12482009 in words is "twelve million, four hundred eighty-two thousand, nine".