13195225 has 6 divisors (see below), whose sum is σ = 16362110. Its totient is φ = 10556160.

The previous prime is 13195219. The next prime is 13195249. The reversal of 13195225 is 52259131.

It can be written as a sum of positive squares in 3 ways, for example, as 3139984 + 10055241 = 1772^2 + 3171^2 .

It is not a de Polignac number, because 13195225 - 2⁷ = 13195097 is a prime.

It is a super-2 number, since 2×13195225² = 348227925601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13195193 and 13195202.

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, 263880 + ... + 263929.

Almost surely, 2^13195225 is an apocalyptic number.

It is an amenable number.

13195225 is a deficient number, since it is larger than the sum of its proper divisors (3166885).

13195225 is an equidigital number, since it uses as much as digits as its factorization.

13195225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527819 (or 527814 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 13195225 is about 3632.5232277303. The cubic root of 13195225 is about 236.3046494144.

The spelling of 13195225 in words is "thirteen million, one hundred ninety-five thousand, two hundred twenty-five".