1399367 has 2 divisors, whose sum is σ = 1399368. Its totient is φ = 1399366.

The previous prime is 1399361. The next prime is 1399373. The reversal of 1399367 is 7639931.

It is a balanced prime because it is at equal distance from previous prime (1399361) and next prime (1399373).

It is a cyclic number.

It is not a de Polignac number, because 1399367 - 2⁴ = 1399351 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1399367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399361) 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, 699683 + 699684.

It is an arithmetic number, because the mean of its divisors is an integer number (699684).

2^1399367 is an apocalyptic number.

1399367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399367 is an equidigital number, since it uses as much as digits as its factorization.

1399367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 38.

The square root of 1399367 is about 1182.9484350554. The cubic root of 1399367 is about 111.8520314259.

The spelling of 1399367 in words is "one million, three hundred ninety-nine thousand, three hundred sixty-seven".