1296949 has 2 divisors, whose sum is σ = 1296950. Its totient is φ = 1296948.

The previous prime is 1296929. The next prime is 1296973. The reversal of 1296949 is 9496921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 562500 = 857^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296949 - 2¹⁹ = 772661 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1296929) 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, 648474 + 648475.

It is an arithmetic number, because the mean of its divisors is an integer number (648475).

2^1296949 is an apocalyptic number.

It is an amenable number.

1296949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296949 is an equidigital number, since it uses as much as digits as its factorization.

1296949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 1296949 is about 1138.8366871505. The cubic root of 1296949 is about 109.0538409203.

The spelling of 1296949 in words is "one million, two hundred ninety-six thousand, nine hundred forty-nine".