1296877 has 2 divisors, whose sum is σ = 1296878. Its totient is φ = 1296876.

The previous prime is 1296839. The next prime is 1296899. The reversal of 1296877 is 7786921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 470596 = 909^2 + 686^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296877 - 2⁷ = 1296749 is a prime.

1296877 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1296817) 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, 648438 + 648439.

It is an arithmetic number, because the mean of its divisors is an integer number (648439).

2^1296877 is an apocalyptic number.

It is an amenable number.

1296877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296877 is an equidigital number, since it uses as much as digits as its factorization.

1296877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 40.

The square root of 1296877 is about 1138.8050755068. The cubic root of 1296877 is about 109.0518228451.

The spelling of 1296877 in words is "one million, two hundred ninety-six thousand, eight hundred seventy-seven".