1343873 has 2 divisors, whose sum is σ = 1343874. Its totient is φ = 1343872.

The previous prime is 1343863. The next prime is 1343887. The reversal of 1343873 is 3783431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1106704 + 237169 = 1052^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343873 - 2¹⁰ = 1342849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1343863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671936 + 671937.

It is an arithmetic number, because the mean of its divisors is an integer number (671937).

2^1343873 is an apocalyptic number.

It is an amenable number.

1343873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343873 is an equidigital number, since it uses as much as digits as its factorization.

1343873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 1343873 is about 1159.2553644474. The cubic root of 1343873 is about 110.3534909203.

The spelling of 1343873 in words is "one million, three hundred forty-three thousand, eight hundred seventy-three".