13568225 has 12 divisors (see below), whose sum is σ = 18354480. Its totient is φ = 9867600.

The previous prime is 13568221. The next prime is 13568231. The reversal of 13568225 is 52286531.

It is not a de Polignac number, because 13568225 - 2² = 13568221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13568191 and 13568200.

It is not an unprimeable number, because it can be changed into a prime (13568221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24395 + ... + 24944.

It is an arithmetic number, because the mean of its divisors is an integer number (1529540).

Almost surely, 2^13568225 is an apocalyptic number.

It is an amenable number.

13568225 is a deficient number, since it is larger than the sum of its proper divisors (4786255).

13568225 is a wasteful number, since it uses less digits than its factorization.

13568225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49360 (or 49355 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 13568225 is about 3683.5071603025. The cubic root of 13568225 is about 238.5105967131.

The spelling of 13568225 in words is "thirteen million, five hundred sixty-eight thousand, two hundred twenty-five".