1347959 has 4 divisors (see below), whose sum is σ = 1353240. Its totient is φ = 1342680.

The previous prime is 1347953. The next prime is 1347967. The reversal of 1347959 is 9597431.

It is a happy number.

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 1347959 - 2¹² = 1343863 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 (1347953) 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, 2237 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (338310).

2^1347959 is an apocalyptic number.

1347959 is a deficient number, since it is larger than the sum of its proper divisors (5281).

1347959 is an equidigital number, since it uses as much as digits as its factorization.

1347959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280.

The product of its digits is 34020, while the sum is 38.

The square root of 1347959 is about 1161.0163650871. The cubic root of 1347959 is about 110.4652197686.

Subtracting from 1347959 its sum of digits (38), we obtain a square (1347921 = 1161²).

The spelling of 1347959 in words is "one million, three hundred forty-seven thousand, nine hundred fifty-nine".