1343309 has 8 divisors (see below), whose sum is σ = 1516320. Its totient is φ = 1178800.

The previous prime is 1343299. The next prime is 1343311. The reversal of 1343309 is 9033431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (189540).

2^1343309 is an apocalyptic number.

It is an amenable number.

1343309 is a deficient number, since it is larger than the sum of its proper divisors (173011).

1343309 is a wasteful number, since it uses less digits than its factorization.

1343309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1343309 is about 1159.0120793158. The cubic root of 1343309 is about 110.3380509499.

It can be divided in two parts, 134 and 3309, that added together give a palindrome (3443).

The spelling of 1343309 in words is "one million, three hundred forty-three thousand, three hundred nine".