1296679 has 2 divisors, whose sum is σ = 1296680. Its totient is φ = 1296678.

The previous prime is 1296649. The next prime is 1296689. The reversal of 1296679 is 9766921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1296679 - 2⁷ = 1296551 is a prime.

It is a Chen prime.

1296679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1296629) 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, 648339 + 648340.

It is an arithmetic number, because the mean of its divisors is an integer number (648340).

2^1296679 is an apocalyptic number.

1296679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296679 is an equidigital number, since it uses as much as digits as its factorization.

1296679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 1296679 is about 1138.7181389615. The cubic root of 1296679 is about 109.0462727531.

The spelling of 1296679 in words is "one million, two hundred ninety-six thousand, six hundred seventy-nine".