13125225 has 12 divisors (see below), whose sum is σ = 21700496. Its totient is φ = 7000080.

The previous prime is 13125223. The next prime is 13125251. The reversal of 13125225 is 52252131.

13125225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13125225 - 2¹ = 13125223 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13125223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87427 + ... + 87576.

Almost surely, 2^13125225 is an apocalyptic number.

13125225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13125225 is a deficient number, since it is larger than the sum of its proper divisors (8575271).

13125225 is a wasteful number, since it uses less digits than its factorization.

13125225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175016 (or 175011 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 13125225 is about 3622.8752393644. The cubic root of 13125225 is about 235.8860469207.

Adding to 13125225 its reverse (52252131), we get a palindrome (65377356).

The spelling of 13125225 in words is "thirteen million, one hundred twenty-five thousand, two hundred twenty-five".