13805226 has 12 divisors (see below), whose sum is σ = 29911362. Its totient is φ = 4601736.

The previous prime is 13805219. The next prime is 13805237. The reversal of 13805226 is 62250831.

13805226 is a `hidden beast` number, since 138 + 0 + 522 + 6 = 666.

13805226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 2576025 = 3351^2 + 1605^2 .

It is a super-2 number, since 2×13805226² = 381168529822152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13805226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383461 + ... + 383496.

Almost surely, 2^13805226 is an apocalyptic number.

13805226 is an abundant number, since it is smaller than the sum of its proper divisors (16106136).

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

13805226 is a wasteful number, since it uses less digits than its factorization.

13805226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766965 (or 766962 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13805226 is about 3715.5384535757. The cubic root of 13805226 is about 239.8913049465.

The spelling of 13805226 in words is "thirteen million, eight hundred five thousand, two hundred twenty-six".