1397233 has 2 divisors, whose sum is σ = 1397234. Its totient is φ = 1397232.

The previous prime is 1397219. The next prime is 1397251. The reversal of 1397233 is 3327931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 35344 = 1167^2 + 188^2 .

It is an emirp because it is prime and its reverse (3327931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1397233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1397633) 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, 698616 + 698617.

It is an arithmetic number, because the mean of its divisors is an integer number (698617).

2^1397233 is an apocalyptic number.

It is an amenable number.

1397233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397233 is an equidigital number, since it uses as much as digits as its factorization.

1397233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 28.

The square root of 1397233 is about 1182.0461073918. The cubic root of 1397233 is about 111.7951453074.

The spelling of 1397233 in words is "one million, three hundred ninety-seven thousand, two hundred thirty-three".