11725985 has 8 divisors (see below), whose sum is σ = 14337000. Its totient is φ = 9203584.

The previous prime is 11725981. The next prime is 11726047. The reversal of 11725985 is 58952711.

11725985 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 4 ways, for example, as 118336 + 11607649 = 344^2 + 3407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11725985 - 2² = 11725981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11725981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21860 + ... + 22389.

It is an arithmetic number, because the mean of its divisors is an integer number (1792125).

Almost surely, 2^11725985 is an apocalyptic number.

It is an amenable number.

11725985 is a deficient number, since it is larger than the sum of its proper divisors (2611015).

11725985 is an equidigital number, since it uses as much as digits as its factorization.

11725985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44307.

The product of its digits is 25200, while the sum is 38.

The square root of 11725985 is about 3424.3225607410. The cubic root of 11725985 is about 227.1868089053.

The spelling of 11725985 in words is "eleven million, seven hundred twenty-five thousand, nine hundred eighty-five".