13285225 has 12 divisors (see below), whose sum is σ = 16554496. Its totient is φ = 10576080.

The previous prime is 13285213. The next prime is 13285231. The reversal of 13285225 is 52258231.

It is a de Polignac number, because none of the positive numbers 2^k-13285225 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13285193 and 13285202.

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, 4384 + ... + 6766.

Almost surely, 2^13285225 is an apocalyptic number.

It is an amenable number.

13285225 is a deficient number, since it is larger than the sum of its proper divisors (3269271).

13285225 is a wasteful number, since it uses less digits than its factorization.

13285225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2611 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 13285225 is about 3644.8902589790. The cubic root of 13285225 is about 236.8406829241.

The spelling of 13285225 in words is "thirteen million, two hundred eighty-five thousand, two hundred twenty-five".