13063320436 has 12 divisors (see below), whose sum is σ = 23347211328. Its totient is φ = 6392688632.

The previous prime is 13063320383. The next prime is 13063320437. The reversal of 13063320436 is 63402336031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13063320398 and 13063320407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13063320437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34742686 + ... + 34743061.

It is an arithmetic number, because the mean of its divisors is an integer number (1945600944).

Almost surely, 2^13063320436 is an apocalyptic number.

It is an amenable number.

13063320436 is a deficient number, since it is larger than the sum of its proper divisors (10283890892).

13063320436 is a wasteful number, since it uses less digits than its factorization.

13063320436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69485798 (or 69485796 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 13063320436 its reverse (63402336031), we get a palindrome (76465656467).

The spelling of 13063320436 in words is "thirteen billion, sixty-three million, three hundred twenty thousand, four hundred thirty-six".