13238225 has 72 divisors (see below), whose sum is σ = 23040192. Its totient is φ = 7286400.

The previous prime is 13238207. The next prime is 13238233. The reversal of 13238225 is 52283231.

It is not a de Polignac number, because 13238225 - 2¹⁰ = 13237201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13238194 and 13238203.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 575564 + ... + 575586.

Almost surely, 2^13238225 is an apocalyptic number.

It is an amenable number.

13238225 is a deficient number, since it is larger than the sum of its proper divisors (9801967).

13238225 is a wasteful number, since it uses less digits than its factorization.

13238225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 59 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 13238225 is about 3638.4371644980. The cubic root of 13238225 is about 236.5610573790.

The spelling of 13238225 in words is "thirteen million, two hundred thirty-eight thousand, two hundred twenty-five".