1308943 has 2 divisors, whose sum is σ = 1308944. Its totient is φ = 1308942.

The previous prime is 1308919. The next prime is 1308977. The reversal of 1308943 is 3498031.

It is a weak prime.

It is an emirp because it is prime and its reverse (3498031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1308943 - 2⁵ = 1308911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308343) 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, 654471 + 654472.

It is an arithmetic number, because the mean of its divisors is an integer number (654472).

2^1308943 is an apocalyptic number.

1308943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308943 is an equidigital number, since it uses as much as digits as its factorization.

1308943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1308943 is about 1144.0904684508. The cubic root of 1308943 is about 109.3889813964.

The spelling of 1308943 in words is "one million, three hundred eight thousand, nine hundred forty-three".