12506466 has 64 divisors (see below), whose sum is σ = 29952000. Its totient is φ = 3478608.

The previous prime is 12506449. The next prime is 12506477. The reversal of 12506466 is 66460521.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121371 + ... + 121473.

It is an arithmetic number, because the mean of its divisors is an integer number (468000).

Almost surely, 2^12506466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12506466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14976000).

12506466 is an abundant number, since it is smaller than the sum of its proper divisors (17445534).

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

12506466 is a wasteful number, since it uses less digits than its factorization.

12506466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 12506466 is about 3536.4482181986. The cubic root of 12506466 is about 232.1194514672.

Adding to 12506466 its reverse (66460521), we get a palindrome (78966987).

The spelling of 12506466 in words is "twelve million, five hundred six thousand, four hundred sixty-six".