1296319 has 2 divisors, whose sum is σ = 1296320. Its totient is φ = 1296318.

The previous prime is 1296293. The next prime is 1296331. The reversal of 1296319 is 9136921.

It is a strong prime.

It is an emirp because it is prime and its reverse (9136921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1296319 - 2⁵ = 1296287 is a prime.

It is a super-2 number, since 2×1296319² = 3360885899522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1296019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648159 + 648160.

It is an arithmetic number, because the mean of its divisors is an integer number (648160).

2^1296319 is an apocalyptic number.

1296319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296319 is an equidigital number, since it uses as much as digits as its factorization.

1296319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The square root of 1296319 is about 1138.5600555087. The cubic root of 1296319 is about 109.0361802291.

The spelling of 1296319 in words is "one million, two hundred ninety-six thousand, three hundred nineteen".