13312322977 has 2 divisors, whose sum is σ = 13312322978. Its totient is φ = 13312322976.

The previous prime is 13312322941. The next prime is 13312323023. The reversal of 13312322977 is 77922321331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12267999121 + 1044323856 = 110761^2 + 32316^2 .

It is an emirp because it is prime and its reverse (77922321331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13312322977 - 2¹¹ = 13312320929 is a prime.

It is not a weakly prime, because it can be changed into another prime (13312322377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656161488 + 6656161489.

It is an arithmetic number, because the mean of its divisors is an integer number (6656161489).

Almost surely, 2^13312322977 is an apocalyptic number.

It is an amenable number.

13312322977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312322977 is an equidigital number, since it uses as much as digits as its factorization.

13312322977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The spelling of 13312322977 in words is "thirteen billion, three hundred twelve million, three hundred twenty-two thousand, nine hundred seventy-seven".