12605766 has 32 divisors (see below), whose sum is σ = 25878528. Its totient is φ = 4092480.

The previous prime is 12605753. The next prime is 12605767. The reversal of 12605766 is 66750621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53986 + ... + 54218.

It is an arithmetic number, because the mean of its divisors is an integer number (808704).

Almost surely, 2^12605766 is an apocalyptic number.

12605766 is an abundant number, since it is smaller than the sum of its proper divisors (13272762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12605766 is a wasteful number, since it uses less digits than its factorization.

12605766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 12605766 is about 3550.4599702010. The cubic root of 12605766 is about 232.7321672092.

The spelling of 12605766 in words is "twelve million, six hundred five thousand, seven hundred sixty-six".