11685425 has 6 divisors (see below), whose sum is σ = 14489958. Its totient is φ = 9348320.

The previous prime is 11685413. The next prime is 11685431. The reversal of 11685425 is 52458611.

It can be written as a sum of positive squares in 3 ways, for example, as 43681 + 11641744 = 209^2 + 3412^2 .

It is not a de Polignac number, because 11685425 - 2⁸ = 11685169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11685391 and 11685400.

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 5 ways as a sum of consecutive naturals, for example, 233684 + ... + 233733.

It is an arithmetic number, because the mean of its divisors is an integer number (2414993).

Almost surely, 2^11685425 is an apocalyptic number.

It is an amenable number.

11685425 is a deficient number, since it is larger than the sum of its proper divisors (2804533).

11685425 is an equidigital number, since it uses as much as digits as its factorization.

11685425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467427 (or 467422 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 11685425 is about 3418.3950912672. The cubic root of 11685425 is about 226.9245610875.

The spelling of 11685425 in words is "eleven million, six hundred eighty-five thousand, four hundred twenty-five".