13013002312 has 8 divisors (see below), whose sum is σ = 24399379350. Its totient is φ = 6506501152.

The previous prime is 13013002309. The next prime is 13013002313. The reversal of 13013002312 is 21320031031.

It can be written as a sum of positive squares in only one way, i.e., 12983690916 + 29311396 = 113946^2 + 5414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13013002313) 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, 813312637 + ... + 813312652.

Almost surely, 2^13013002312 is an apocalyptic number.

It is an amenable number.

13013002312 is a deficient number, since it is larger than the sum of its proper divisors (11386377038).

13013002312 is a wasteful number, since it uses less digits than its factorization.

13013002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626625295 (or 1626625291 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13013002312 its reverse (21320031031), we get a palindrome (34333033343).

The spelling of 13013002312 in words is "thirteen billion, thirteen million, two thousand, three hundred twelve".