13220204 has 12 divisors (see below), whose sum is σ = 23699928. Its totient is φ = 6448800.

The previous prime is 13220191. The next prime is 13220213. The reversal of 13220204 is 40202231.

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 3 ways as a sum of consecutive naturals, for example, 40142 + ... + 40469.

It is an arithmetic number, because the mean of its divisors is an integer number (1974994).

Almost surely, 2^13220204 is an apocalyptic number.

It is an amenable number.

13220204 is a deficient number, since it is larger than the sum of its proper divisors (10479724).

13220204 is a wasteful number, since it uses less digits than its factorization.

13220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80656 (or 80654 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13220204 is about 3635.9598457629. The cubic root of 13220204 is about 236.4536662774.

Adding to 13220204 its reverse (40202231), we get a palindrome (53422435).

The spelling of 13220204 in words is "thirteen million, two hundred twenty thousand, two hundred four".