13188425 has 12 divisors (see below), whose sum is σ = 16482576. Its totient is φ = 10467600.

The previous prime is 13188421. The next prime is 13188431. The reversal of 13188425 is 52488131.

13188425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13188425 - 2² = 13188421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13188391 and 13188400.

It is not an unprimeable number, because it can be changed into a prime (13188421) 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, 1262 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (1373548).

Almost surely, 2^13188425 is an apocalyptic number.

It is an amenable number.

13188425 is a deficient number, since it is larger than the sum of its proper divisors (3294151).

13188425 is a wasteful number, since it uses less digits than its factorization.

13188425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 4163 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 13188425 is about 3631.5871186026. The cubic root of 13188425 is about 236.2640501895.

The spelling of 13188425 in words is "thirteen million, one hundred eighty-eight thousand, four hundred twenty-five".