13366225 has 6 divisors (see below), whose sum is σ = 16574150. Its totient is φ = 10692960.

The previous prime is 13366201. The next prime is 13366271. The reversal of 13366225 is 52266331.

It can be written as a sum of positive squares in 3 ways, for example, as 123904 + 13242321 = 352^2 + 3639^2 .

It is not a de Polignac number, because 13366225 - 2¹¹ = 13364177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13366193 and 13366202.

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, 267300 + ... + 267349.

Almost surely, 2^13366225 is an apocalyptic number.

It is an amenable number.

13366225 is a deficient number, since it is larger than the sum of its proper divisors (3207925).

13366225 is an equidigital number, since it uses as much as digits as its factorization.

13366225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534659 (or 534654 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 13366225 is about 3655.9848194433. The cubic root of 13366225 is about 237.3210470975.

The spelling of 13366225 in words is "thirteen million, three hundred sixty-six thousand, two hundred twenty-five".