11686625 has 8 divisors (see below), whose sum is σ = 14585064. Its totient is φ = 9349200.

The previous prime is 11686621. The next prime is 11686637. The reversal of 11686625 is 52668611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 8755681 = 1712^2 + 2959^2 .

It is not a de Polignac number, because 11686625 - 2² = 11686621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11686621) 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 7 ways as a sum of consecutive naturals, for example, 46622 + ... + 46871.

It is an arithmetic number, because the mean of its divisors is an integer number (1823133).

Almost surely, 2^11686625 is an apocalyptic number.

It is an amenable number.

11686625 is a deficient number, since it is larger than the sum of its proper divisors (2898439).

11686625 is an frugal number, since it uses more digits than its factorization.

11686625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93508 (or 93498 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 11686625 is about 3418.5706077248. The cubic root of 11686625 is about 226.9323286028.

The spelling of 11686625 in words is "eleven million, six hundred eighty-six thousand, six hundred twenty-five".