13161828 has 24 divisors (see below), whose sum is σ = 30875488. Its totient is φ = 4363776.

The previous prime is 13161823. The next prime is 13161829. The reversal of 13161828 is 82816131.

It is a junction number, because it is equal to n+sod(n) for n = 13161795 and 13161804.

It is not an unprimeable number, because it can be changed into a prime (13161823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 5157.

Almost surely, 2^13161828 is an apocalyptic number.

It is an amenable number.

13161828 is an abundant number, since it is smaller than the sum of its proper divisors (17713660).

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

13161828 is a wasteful number, since it uses less digits than its factorization.

13161828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883 (or 5881 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 13161828 is about 3627.9233729504. The cubic root of 13161828 is about 236.1051193107.

Adding to 13161828 its reverse (82816131), we get a palindrome (95977959).

The spelling of 13161828 in words is "thirteen million, one hundred sixty-one thousand, eight hundred twenty-eight".