1296829 has 2 divisors, whose sum is σ = 1296830. Its totient is φ = 1296828.

The previous prime is 1296817. The next prime is 1296833. The reversal of 1296829 is 9286921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1159929 + 136900 = 1077^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296829 - 2¹⁵ = 1264061 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 (1296839) 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, 648414 + 648415.

It is an arithmetic number, because the mean of its divisors is an integer number (648415).

2^1296829 is an apocalyptic number.

It is an amenable number.

1296829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296829 is an equidigital number, since it uses as much as digits as its factorization.

1296829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 1296829 is about 1138.7840005901. The cubic root of 1296829 is about 109.0504774201.

The spelling of 1296829 in words is "one million, two hundred ninety-six thousand, eight hundred twenty-nine".