1347712 has 16 divisors (see below), whose sum is σ = 2685150. Its totient is φ = 673792.

The previous prime is 1347707. The next prime is 1347713. The reversal of 1347712 is 2177431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 379456 = 984^2 + 616^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5137 + ... + 5392.

2^1347712 is an apocalyptic number.

It is an amenable number.

1347712 is a deficient number, since it is larger than the sum of its proper divisors (1337438).

1347712 is an equidigital number, since it uses as much as digits as its factorization.

1347712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543 (or 10531 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 1347712 is about 1160.9099878974. The cubic root of 1347712 is about 110.4584721410.

The spelling of 1347712 in words is "one million, three hundred forty-seven thousand, seven hundred twelve".