13022828 has 72 divisors (see below), whose sum is σ = 30164400. Its totient is φ = 4862592.

The previous prime is 13022803. The next prime is 13022831. The reversal of 13022828 is 82822031.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 13022797 and 13022806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48278 + ... + 48546.

It is an arithmetic number, because the mean of its divisors is an integer number (418950).

Almost surely, 2^13022828 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 13022828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082200).

13022828 is an abundant number, since it is smaller than the sum of its proper divisors (17141572).

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

13022828 is a wasteful number, since it uses less digits than its factorization.

13022828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 13022828 is about 3608.7155609718. The cubic root of 13022828 is about 235.2710197473.

Adding to 13022828 its reverse (82822031), we get a palindrome (95844859).

The spelling of 13022828 in words is "thirteen million, twenty-two thousand, eight hundred twenty-eight".