1347943 has 4 divisors (see below), whose sum is σ = 1357920. Its totient is φ = 1337968.

The previous prime is 1347937. The next prime is 1347953. The reversal of 1347943 is 3497431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3497431 = 7 ⋅499633.

It is a cyclic number.

It is not a de Polignac number, because 1347943 - 2¹⁷ = 1216871 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 4⁹ + 7⁷ + 9² + 4⁹ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4783 + ... + 5056.

It is an arithmetic number, because the mean of its divisors is an integer number (339480).

2^1347943 is an apocalyptic number.

1347943 is a deficient number, since it is larger than the sum of its proper divisors (9977).

1347943 is an equidigital number, since it uses as much as digits as its factorization.

1347943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976.

The product of its digits is 9072, while the sum is 31.

The square root of 1347943 is about 1161.0094745522. The cubic root of 1347943 is about 110.4647827003.

The spelling of 1347943 in words is "one million, three hundred forty-seven thousand, nine hundred forty-three".