13201264536 has 64 divisors (see below), whose sum is σ = 33832149120. Its totient is φ = 4290263040.

The previous prime is 13201264523. The next prime is 13201264537. The reversal of 13201264536 is 63546210231.

It is a junction number, because it is equal to n+sod(n) for n = 13201264497 and 13201264506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201264537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569656 + ... + 592376.

It is an arithmetic number, because the mean of its divisors is an integer number (528627330).

Almost surely, 2^13201264536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13201264536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16916074560).

13201264536 is an abundant number, since it is smaller than the sum of its proper divisors (20630884584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13201264536 is a wasteful number, since it uses less digits than its factorization.

13201264536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23336 (or 23332 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 13201264536 its reverse (63546210231), we get a palindrome (76747474767).

The spelling of 13201264536 in words is "thirteen billion, two hundred one million, two hundred sixty-four thousand, five hundred thirty-six".