1347823 has 4 divisors (see below), whose sum is σ = 1406448. Its totient is φ = 1289200.

The previous prime is 1347817. The next prime is 1347877. The reversal of 1347823 is 3287431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1347823 - 2⁵ = 1347791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1347791 and 1347800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29278 + ... + 29323.

It is an arithmetic number, because the mean of its divisors is an integer number (351612).

2^1347823 is an apocalyptic number.

1347823 is a deficient number, since it is larger than the sum of its proper divisors (58625).

1347823 is an equidigital number, since it uses as much as digits as its factorization.

1347823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58624.

The product of its digits is 4032, while the sum is 28.

The square root of 1347823 is about 1160.9577942372. The cubic root of 1347823 is about 110.4615045777.

The spelling of 1347823 in words is "one million, three hundred forty-seven thousand, eight hundred twenty-three".