1397267 has 2 divisors, whose sum is σ = 1397268. Its totient is φ = 1397266.

The previous prime is 1397261. The next prime is 1397287. The reversal of 1397267 is 7627931.

It is a weak prime.

It is an emirp because it is prime and its reverse (7627931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1397267 - 2⁴ = 1397251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1397261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698633 + 698634.

It is an arithmetic number, because the mean of its divisors is an integer number (698634).

2^1397267 is an apocalyptic number.

1397267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397267 is an equidigital number, since it uses as much as digits as its factorization.

1397267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 1397267 is about 1182.0604891460. The cubic root of 1397267 is about 111.7960521006.

The spelling of 1397267 in words is "one million, three hundred ninety-seven thousand, two hundred sixty-seven".