13249225 has 12 divisors (see below), whose sum is σ = 17922960. Its totient is φ = 9635600.

The previous prime is 13249189. The next prime is 13249237. The reversal of 13249225 is 52294231.

13249225 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 13249225 - 2¹¹ = 13247177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13249193 and 13249202.

It is an unprimeable number.

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, 23815 + ... + 24364.

It is an arithmetic number, because the mean of its divisors is an integer number (1493580).

Almost surely, 2^13249225 is an apocalyptic number.

It is an amenable number.

13249225 is a deficient number, since it is larger than the sum of its proper divisors (4673735).

13249225 is a wasteful number, since it uses less digits than its factorization.

13249225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48200 (or 48195 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 13249225 is about 3639.9484886465. The cubic root of 13249225 is about 236.6265609044.

The spelling of 13249225 in words is "thirteen million, two hundred forty-nine thousand, two hundred twenty-five".