13305143252 has 24 divisors (see below), whose sum is σ = 23340657312. Its totient is φ = 6636405600.

The previous prime is 13305143251. The next prime is 13305143297. The reversal of 13305143252 is 25234150331.

It is a happy number.

13305143252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13305143252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305143251) 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 in 7 ways as a sum of consecutive naturals, for example, 4181102 + ... + 4184282.

It is an arithmetic number, because the mean of its divisors is an integer number (972527388).

Almost surely, 2^13305143252 is an apocalyptic number.

It is an amenable number.

13305143252 is a deficient number, since it is larger than the sum of its proper divisors (10035514060).

13305143252 is a wasteful number, since it uses less digits than its factorization.

13305143252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13305143252 its reverse (25234150331), we get a palindrome (38539293583).

The spelling of 13305143252 in words is "thirteen billion, three hundred five million, one hundred forty-three thousand, two hundred fifty-two".