12832649 has 2 divisors, whose sum is σ = 12832650. Its totient is φ = 12832648.

The previous prime is 12832607. The next prime is 12832661. The reversal of 12832649 is 94623821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 5968249 = 2620^2 + 2443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12832649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12832669) 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, 6416324 + 6416325.

It is an arithmetic number, because the mean of its divisors is an integer number (6416325).

Almost surely, 2^12832649 is an apocalyptic number.

It is an amenable number.

12832649 is a deficient number, since it is larger than the sum of its proper divisors (1).

12832649 is an equidigital number, since it uses as much as digits as its factorization.

12832649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 12832649 is about 3582.2686945566. The cubic root of 12832649 is about 234.1201382263.

The spelling of 12832649 in words is "twelve million, eight hundred thirty-two thousand, six hundred forty-nine".