13478226 has 8 divisors (see below), whose sum is σ = 26956464. Its totient is φ = 4492740.

The previous prime is 13478203. The next prime is 13478251. The reversal of 13478226 is 62287431.

13478226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13478226 is an admirable number.

It is a super-2 number, since 2×13478226² = 363325152214152, which contains 22 as substring.

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, 1123180 + ... + 1123191.

It is an arithmetic number, because the mean of its divisors is an integer number (3369558).

Almost surely, 2^13478226 is an apocalyptic number.

13478226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13478226 is a wasteful number, since it uses less digits than its factorization.

13478226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246376.

The product of its digits is 16128, while the sum is 33.

The square root of 13478226 is about 3671.2703523440. The cubic root of 13478226 is about 237.9820738328.

The spelling of 13478226 in words is "thirteen million, four hundred seventy-eight thousand, two hundred twenty-six".