13204232506 has 8 divisors (see below), whose sum is σ = 19836314964. Its totient is φ = 6592127520.

The previous prime is 13204232501. The next prime is 13204232519. The reversal of 13204232506 is 60523240231.

It can be written as a sum of positive squares in 2 ways, for example, as 12808580625 + 395651881 = 113175^2 + 19891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13204232501) 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, 4992715 + ... + 4995358.

Almost surely, 2^13204232506 is an apocalyptic number.

13204232506 is a deficient number, since it is larger than the sum of its proper divisors (6632082458).

13204232506 is an equidigital number, since it uses as much as digits as its factorization.

13204232506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988736.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13204232506 its reverse (60523240231), we get a palindrome (73727472737).

The spelling of 13204232506 in words is "thirteen billion, two hundred four million, two hundred thirty-two thousand, five hundred six".