13272225 has 24 divisors (see below), whose sum is σ = 22058112. Its totient is φ = 7041600.

The previous prime is 13272157. The next prime is 13272229. The reversal of 13272225 is 52227231.

It is a happy number.

It is not a de Polignac number, because 13272225 - 2⁸ = 13271969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13272195 and 13272204.

It is not an unprimeable number, because it can be changed into a prime (13272229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19999 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (919088).

Almost surely, 2^13272225 is an apocalyptic number.

13272225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13272225 is a deficient number, since it is larger than the sum of its proper divisors (8785887).

13272225 is a wasteful number, since it uses less digits than its factorization.

13272225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 932 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 13272225 is about 3643.1065040704. The cubic root of 13272225 is about 236.7634057559.

Adding to 13272225 its reverse (52227231), we get a palindrome (65499456).

The spelling of 13272225 in words is "thirteen million, two hundred seventy-two thousand, two hundred twenty-five".