1312047363 has 16 divisors (see below), whose sum is σ = 1921248000. Its totient is φ = 789840480.

The previous prime is 1312047361. The next prime is 1312047367. The reversal of 1312047363 is 3637402131.

It is not a de Polignac number, because 1312047363 - 2¹ = 1312047361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312047363.

It is not an unprimeable number, because it can be changed into a prime (1312047361) 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 15 ways as a sum of consecutive naturals, for example, 128503 + ... + 138336.

It is an arithmetic number, because the mean of its divisors is an integer number (120078000).

Almost surely, 2^1312047363 is an apocalyptic number.

1312047363 is a deficient number, since it is larger than the sum of its proper divisors (609200637).

1312047363 is a wasteful number, since it uses less digits than its factorization.

1312047363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267002.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 1312047363 is about 36222.1943426955. The cubic root of 1312047363 is about 1094.7539081257.

Adding to 1312047363 its reverse (3637402131), we get a palindrome (4949449494).

The spelling of 1312047363 in words is "one billion, three hundred twelve million, forty-seven thousand, three hundred sixty-three".