13253222432 has 54 divisors (see below), whose sum is σ = 26720959293. Its totient is φ = 6470641152.

The previous prime is 13253222431. The next prime is 13253222441. The reversal of 13253222432 is 23422235231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 10808513296 + 2444709136 = 103964^2 + 49444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=81404.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13253222395 and 13253222404.

It is not an unprimeable number, because it can be changed into a prime (13253222431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30607688 + ... + 30608120.

Almost surely, 2^13253222432 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 13253222432

13253222432 is an abundant number, since it is smaller than the sum of its proper divisors (13467736861).

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

13253222432 is an frugal number, since it uses more digits than its factorization.

13253222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 482 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

Adding to 13253222432 its reverse (23422235231), we get a palindrome (36675457663).

The spelling of 13253222432 in words is "thirteen billion, two hundred fifty-three million, two hundred twenty-two thousand, four hundred thirty-two".