13316225 has 12 divisors (see below), whose sum is σ = 17782716. Its totient is φ = 9833280.

The previous prime is 13316213. The next prime is 13316231. The reversal of 13316225 is 52261331.

It can be written as a sum of positive squares in 6 ways, for example, as 1024 + 13315201 = 32^2 + 3649^2 .

It is not a de Polignac number, because 13316225 - 2⁴ = 13316209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13316225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20162 + ... + 20811.

It is an arithmetic number, because the mean of its divisors is an integer number (1481893).

Almost surely, 2^13316225 is an apocalyptic number.

It is an amenable number.

13316225 is a deficient number, since it is larger than the sum of its proper divisors (4466491).

13316225 is a wasteful number, since it uses less digits than its factorization.

13316225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40996 (or 40991 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 13316225 is about 3649.1403097168. The cubic root of 13316225 is about 237.0247560294.

Adding to 13316225 its reverse (52261331), we get a palindrome (65577556).

The spelling of 13316225 in words is "thirteen million, three hundred sixteen thousand, two hundred twenty-five".