1343197 has 2 divisors, whose sum is σ = 1343198. Its totient is φ = 1343196.

The previous prime is 1343183. The next prime is 1343203. The reversal of 1343197 is 7913431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052676 + 290521 = 1026^2 + 539^2 .

It is an emirp because it is prime and its reverse (7913431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671598 + 671599.

It is an arithmetic number, because the mean of its divisors is an integer number (671599).

2^1343197 is an apocalyptic number.

It is an amenable number.

1343197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343197 is an equidigital number, since it uses as much as digits as its factorization.

1343197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 1343197 is about 1158.9637612971. The cubic root of 1343197 is about 110.3349843422.

It can be divided in two parts, 1343 and 197, that added together give a triangular number (1540 = T₅₅).

The spelling of 1343197 in words is "one million, three hundred forty-three thousand, one hundred ninety-seven".