1299343 has 2 divisors, whose sum is σ = 1299344. Its totient is φ = 1299342.

The previous prime is 1299341. The next prime is 1299349. The reversal of 1299343 is 3439921.

It is a weak prime.

It is an emirp because it is prime and its reverse (3439921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1299343 - 2¹ = 1299341 is a prime.

Together with 1299341, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 2³ + 9⁵ + 9⁶ + 3¹¹ + 4⁴ + 3¹² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299341) 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, 649671 + 649672.

It is an arithmetic number, because the mean of its divisors is an integer number (649672).

2^1299343 is an apocalyptic number.

1299343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299343 is an equidigital number, since it uses as much as digits as its factorization.

1299343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 1299343 is about 1139.8872751286. The cubic root of 1299343 is about 109.1208994355.

The spelling of 1299343 in words is "one million, two hundred ninety-nine thousand, three hundred forty-three".