12832661 has 2 divisors, whose sum is σ = 12832662. Its totient is φ = 12832660.

The previous prime is 12832649. The next prime is 12832669. The reversal of 12832661 is 16623821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 1060900 = 3431^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 12832661 - 2¹⁴ = 12816277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12832669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6416330 + 6416331.

It is an arithmetic number, because the mean of its divisors is an integer number (6416331).

Almost surely, 2^12832661 is an apocalyptic number.

It is an amenable number.

12832661 is a deficient number, since it is larger than the sum of its proper divisors (1).

12832661 is an equidigital number, since it uses as much as digits as its factorization.

12832661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 12832661 is about 3582.2703694724. The cubic root of 12832661 is about 234.1202112027.

The spelling of 12832661 in words is "twelve million, eight hundred thirty-two thousand, six hundred sixty-one".