1299367 has 2 divisors, whose sum is σ = 1299368. Its totient is φ = 1299366.

The previous prime is 1299359. The next prime is 1299377. The reversal of 1299367 is 7639921.

It is a weak prime.

It is an emirp because it is prime and its reverse (7639921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1299367 - 2³ = 1299359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299317) 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, 649683 + 649684.

It is an arithmetic number, because the mean of its divisors is an integer number (649684).

2^1299367 is an apocalyptic number.

1299367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299367 is an equidigital number, since it uses as much as digits as its factorization.

1299367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 1299367 is about 1139.8978024367. The cubic root of 1299367 is about 109.1215712842.

The spelling of 1299367 in words is "one million, two hundred ninety-nine thousand, three hundred sixty-seven".