12065885 has 32 divisors (see below), whose sum is σ = 16662240. Its totient is φ = 8322048.

The previous prime is 12065881. The next prime is 12065897. The reversal of 12065885 is 58856021.

It is a happy number.

12065885 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 383161 + 11682724 = 619^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 12065885 - 2² = 12065881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69659 + ... + 69831.

It is an arithmetic number, because the mean of its divisors is an integer number (520695).

Almost surely, 2^12065885 is an apocalyptic number.

It is an amenable number.

12065885 is a deficient number, since it is larger than the sum of its proper divisors (4596355).

12065885 is a wasteful number, since it uses less digits than its factorization.

12065885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 12065885 is about 3473.5982784427. The cubic root of 12065885 is about 229.3610812284.

The spelling of 12065885 in words is "twelve million, sixty-five thousand, eight hundred eighty-five".