13502825 has 48 divisors (see below), whose sum is σ = 20951040. Its totient is φ = 8424000.

The previous prime is 13502821. The next prime is 13502833. The reversal of 13502825 is 52820531.

13502825 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 13502825 - 2² = 13502821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13502794 and 13502803.

It is not an unprimeable number, because it can be changed into a prime (13502821) 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 47 ways as a sum of consecutive naturals, for example, 103010 + ... + 103140.

It is an arithmetic number, because the mean of its divisors is an integer number (436480).

Almost surely, 2^13502825 is an apocalyptic number.

It is an amenable number.

13502825 is a deficient number, since it is larger than the sum of its proper divisors (7448215).

13502825 is a wasteful number, since it uses less digits than its factorization.

13502825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 13502825 is about 3674.6190278721. The cubic root of 13502825 is about 238.1267655553.

The spelling of 13502825 in words is "thirteen million, five hundred two thousand, eight hundred twenty-five".