13000832 has 48 divisors (see below), whose sum is σ = 28092330. Its totient is φ = 5990400.

The previous prime is 13000831. The next prime is 13000849. The reversal of 13000832 is 23800031.

It can be written as a sum of positive squares in 3 ways, for example, as 8904256 + 4096576 = 2984^2 + 2024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13000832.

It is not an unprimeable number, because it can be changed into a prime (13000831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21332 + ... + 21932.

Almost surely, 2^13000832 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 13000832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14046165).

13000832 is an abundant number, since it is smaller than the sum of its proper divisors (15091498).

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

13000832 is an equidigital number, since it uses as much as digits as its factorization.

13000832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13000832 is about 3605.6666512588. Note that the first 4 decimals coincide. The cubic root of 13000832 is about 235.1384848457.

Adding to 13000832 its reverse (23800031), we get a palindrome (36800863).

The spelling of 13000832 in words is "thirteen million, eight hundred thirty-two", and thus it is an aban number.