13428226 has 8 divisors (see below), whose sum is σ = 23019840. Its totient is φ = 5754948.

The previous prime is 13428187. The next prime is 13428241. The reversal of 13428226 is 62282431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13428194 and 13428203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479566 + ... + 479593.

It is an arithmetic number, because the mean of its divisors is an integer number (2877480).

Almost surely, 2^13428226 is an apocalyptic number.

13428226 is a deficient number, since it is larger than the sum of its proper divisors (9591614).

13428226 is an equidigital number, since it uses as much as digits as its factorization.

13428226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959168.

The product of its digits is 4608, while the sum is 28.

The square root of 13428226 is about 3664.4543932215. The cubic root of 13428226 is about 237.6874295160.

The spelling of 13428226 in words is "thirteen million, four hundred twenty-eight thousand, two hundred twenty-six".