11805625 has 20 divisors (see below), whose sum is σ = 15898036. Its totient is φ = 8712000.

The previous prime is 11805533. The next prime is 11805641. The reversal of 11805625 is 52650811.

11805625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 7817616 + 3988009 = 2796^2 + 1997^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11805625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11805593 and 11805602.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7399 + ... + 8851.

Almost surely, 2^11805625 is an apocalyptic number.

It is an amenable number.

11805625 is a deficient number, since it is larger than the sum of its proper divisors (4092411).

11805625 is an equidigital number, since it uses as much as digits as its factorization.

11805625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 11805625 is about 3435.9314603176. The cubic root of 11805625 is about 227.6999811433.

The spelling of 11805625 in words is "eleven million, eight hundred five thousand, six hundred twenty-five".