1343813 has 8 divisors (see below), whose sum is σ = 1429920. Its totient is φ = 1259280.

The previous prime is 1343801. The next prime is 1343863. The reversal of 1343813 is 3183431.

It is a happy number.

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 1343813 - 2²⁰ = 295237 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 (1343863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (178740).

2^1343813 is an apocalyptic number.

It is an amenable number.

1343813 is a deficient number, since it is larger than the sum of its proper divisors (86107).

1343813 is a wasteful number, since it uses less digits than its factorization.

1343813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 864, while the sum is 23.

The square root of 1343813 is about 1159.2294854773. The cubic root of 1343813 is about 110.3518485756.

The spelling of 1343813 in words is "one million, three hundred forty-three thousand, eight hundred thirteen".