13220802 has 48 divisors (see below), whose sum is σ = 32939712. Its totient is φ = 3754080.

The previous prime is 13220773. The next prime is 13220843. The reversal of 13220802 is 20802231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 39777 + ... + 40107.

It is an arithmetic number, because the mean of its divisors is an integer number (686244).

Almost surely, 2^13220802 is an apocalyptic number.

13220802 is an abundant number, since it is smaller than the sum of its proper divisors (19718910).

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

13220802 is a wasteful number, since it uses less digits than its factorization.

13220802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13220802 is about 3636.0420789644. The cubic root of 13220802 is about 236.4572314559.

The spelling of 13220802 in words is "thirteen million, two hundred twenty thousand, eight hundred two".