12520466 has 32 divisors (see below), whose sum is σ = 23473152. Its totient is φ = 4884480.

The previous prime is 12520463. The next prime is 12520477. The reversal of 12520466 is 66402521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12520463) 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 15 ways as a sum of consecutive naturals, for example, 6530 + ... + 8226.

It is an arithmetic number, because the mean of its divisors is an integer number (733536).

Almost surely, 2^12520466 is an apocalyptic number.

12520466 is a deficient number, since it is larger than the sum of its proper divisors (10952686).

12520466 is a wasteful number, since it uses less digits than its factorization.

12520466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12520466 is about 3538.4270516714. The cubic root of 12520466 is about 232.2060322938.

Adding to 12520466 its reverse (66402521), we get a palindrome (78922987).

The spelling of 12520466 in words is "twelve million, five hundred twenty thousand, four hundred sixty-six".