1347278063 has 4 divisors (see below), whose sum is σ = 1347385248. Its totient is φ = 1347170880.

The previous prime is 1347278057. The next prime is 1347278069. The reversal of 1347278063 is 3608727431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1347278057) and next prime (1347278069).

It is a cyclic number.

It is not a de Polignac number, because 1347278063 - 2⁸ = 1347277807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1347278063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347278069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778 + ... + 60863.

It is an arithmetic number, because the mean of its divisors is an integer number (336846312).

Almost surely, 2^1347278063 is an apocalyptic number.

1347278063 is a deficient number, since it is larger than the sum of its proper divisors (107185).

1347278063 is an equidigital number, since it uses as much as digits as its factorization.

1347278063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107184.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 1347278063 is about 36705.2865810907. The cubic root of 1347278063 is about 1104.4661570992.

The spelling of 1347278063 in words is "one billion, three hundred forty-seven million, two hundred seventy-eight thousand, sixty-three".