1347813 has 8 divisors (see below), whose sum is σ = 1996800. Its totient is φ = 898524.

The previous prime is 1347791. The next prime is 1347817. The reversal of 1347813 is 3187431.

It is not a de Polignac number, because 1347813 - 2⁵ = 1347781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 49919 = 1347813 / (1 + 3 + 4 + 7 + 8 + 1 + 3).

1347813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347817) 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, 24933 + ... + 24986.

It is an arithmetic number, because the mean of its divisors is an integer number (249600).

2^1347813 is an apocalyptic number.

It is an amenable number.

1347813 is a deficient number, since it is larger than the sum of its proper divisors (648987).

1347813 is an equidigital number, since it uses as much as digits as its factorization.

1347813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49928 (or 49922 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1347813 is about 1160.9534874404. The cubic root of 1347813 is about 110.4612313920.

The spelling of 1347813 in words is "one million, three hundred forty-seven thousand, eight hundred thirteen".