12628698344 has 8 divisors (see below), whose sum is σ = 23678809410. Its totient is φ = 6314349168.

The previous prime is 12628698307. The next prime is 12628698349. The reversal of 12628698344 is 44389682621.

It is a happy number.

12628698344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11916342244 + 712356100 = 109162^2 + 26690^2 .

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 (12628698349) 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 as a sum of consecutive naturals, namely, 789293639 + ... + 789293654.

Almost surely, 2^12628698344 is an apocalyptic number.

It is an amenable number.

12628698344 is a deficient number, since it is larger than the sum of its proper divisors (11050111066).

12628698344 is a wasteful number, since it uses less digits than its factorization.

12628698344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578587299 (or 1578587295 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The spelling of 12628698344 in words is "twelve billion, six hundred twenty-eight million, six hundred ninety-eight thousand, three hundred forty-four".