1343005 has 8 divisors (see below), whose sum is σ = 1626552. Its totient is φ = 1064448.

The previous prime is 1343003. The next prime is 1343009. The reversal of 1343005 is 5003431.

It can be written as a sum of positive squares in 4 ways, for example, as 4356 + 1338649 = 66^2 + 1157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343005 - 2¹ = 1343003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (203319).

2^1343005 is an apocalyptic number.

It is an amenable number.

1343005 is a deficient number, since it is larger than the sum of its proper divisors (283547).

1343005 is a wasteful number, since it uses less digits than its factorization.

1343005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1343005 is about 1158.8809257210. The cubic root of 1343005 is about 110.3297269038.

Adding to 1343005 its reverse (5003431), we get a palindrome (6346436).

The spelling of 1343005 in words is "one million, three hundred forty-three thousand, five".