1213341347 has 2 divisors, whose sum is σ = 1213341348. Its totient is φ = 1213341346.

The previous prime is 1213341343. The next prime is 1213341359. The reversal of 1213341347 is 7431433121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213341347 - 2² = 1213341343 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213341341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606670673 + 606670674.

It is an arithmetic number, because the mean of its divisors is an integer number (606670674).

Almost surely, 2^1213341347 is an apocalyptic number.

1213341347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213341347 is an equidigital number, since it uses as much as digits as its factorization.

1213341347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 1213341347 is about 34833.0496368033. The cubic root of 1213341347 is about 1066.5822021768.

Adding to 1213341347 its reverse (7431433121), we get a palindrome (8644774468).

The spelling of 1213341347 in words is "one billion, two hundred thirteen million, three hundred forty-one thousand, three hundred forty-seven".