13185025 has 24 divisors (see below), whose sum is σ = 19016640. Its totient is φ = 8880960.

The previous prime is 13185023. The next prime is 13185037. The reversal of 13185025 is 52058131.

It is a happy number.

It is not a de Polignac number, because 13185025 - 2¹ = 13185023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13185023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9687 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (792360).

It is a Proth number, since it is equal to 3219 ⋅ 2¹² + 1 and 3219 < 2¹².

Almost surely, 2^13185025 is an apocalyptic number.

It is an amenable number.

13185025 is a deficient number, since it is larger than the sum of its proper divisors (5831615).

13185025 is a wasteful number, since it uses less digits than its factorization.

13185025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 13185025 is about 3631.1189735397. The cubic root of 13185025 is about 236.2437453436.

The spelling of 13185025 in words is "thirteen million, one hundred eighty-five thousand, twenty-five".