1347331 has 2 divisors, whose sum is σ = 1347332. Its totient is φ = 1347330.

The previous prime is 1347329. The next prime is 1347337. The reversal of 1347331 is 1337431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1337431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1347331 - 2¹ = 1347329 is a prime.

It is a super-2 number, since 2×1347331² = 3630601647122, which contains 22 as substring.

Together with 1347329, it forms a pair of twin primes.

1347331 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1347337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673665 + 673666.

It is an arithmetic number, because the mean of its divisors is an integer number (673666).

2^1347331 is an apocalyptic number.

1347331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347331 is an equidigital number, since it uses as much as digits as its factorization.

1347331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 22.

The square root of 1347331 is about 1160.7458808887. The cubic root of 1347331 is about 110.4480622403.

The spelling of 1347331 in words is "one million, three hundred forty-seven thousand, three hundred thirty-one".