13123335602 has 16 divisors (see below), whose sum is σ = 21772188312. Its totient is φ = 5893223040.

The previous prime is 13123335581. The next prime is 13123335613. The reversal of 13123335602 is 20653332131.

13123335602 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 4 ways, for example, as 10477364881 + 2645970721 = 102359^2 + 51439^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6819899 + ... + 6821822.

Almost surely, 2^13123335602 is an apocalyptic number.

13123335602 is a deficient number, since it is larger than the sum of its proper divisors (8648852710).

13123335602 is a wasteful number, since it uses less digits than its factorization.

13123335602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13641773.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 13123335602 its reverse (20653332131), we get a palindrome (33776667733).

The spelling of 13123335602 in words is "thirteen billion, one hundred twenty-three million, three hundred thirty-five thousand, six hundred two".