13206303552 has 336 divisors, whose sum is σ = 41171896320. Its totient is φ = 3720038400.

The previous prime is 13206303529. The next prime is 13206303619. The reversal of 13206303552 is 25530360231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19111527 + ... + 19112217.

Almost surely, 2^13206303552 is an apocalyptic number.

13206303552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13206303552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20585948160).

13206303552 is an abundant number, since it is smaller than the sum of its proper divisors (27965592768).

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

13206303552 is a wasteful number, since it uses less digits than its factorization.

13206303552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 13206303552 its reverse (25530360231), we get a palindrome (38736663783).

The spelling of 13206303552 in words is "thirteen billion, two hundred six million, three hundred three thousand, five hundred fifty-two".