13102225 has 12 divisors (see below), whose sum is σ = 16410780. Its totient is φ = 10376000.

The previous prime is 13102217. The next prime is 13102241. The reversal of 13102225 is 52220131.

It can be written as a sum of positive squares in 6 ways, for example, as 1185921 + 11916304 = 1089^2 + 3452^2 .

It is not a de Polignac number, because 13102225 - 2³ = 13102217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13102199 and 13102208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (1367565).

Almost surely, 2^13102225 is an apocalyptic number.

It is an amenable number.

13102225 is a deficient number, since it is larger than the sum of its proper divisors (3308555).

13102225 is a wasteful number, since it uses less digits than its factorization.

13102225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5295 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13102225 is about 3619.6995731690. The cubic root of 13102225 is about 235.7481813165.

Adding to 13102225 its reverse (52220131), we get a palindrome (65322356).

The spelling of 13102225 in words is "thirteen million, one hundred two thousand, two hundred twenty-five".