12501146 has 32 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 5040000.

The previous prime is 12501067. The next prime is 12501169. The reversal of 12501146 is 64110521.

12501146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16271 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 2^12501146 is an apocalyptic number.

12501146 is a deficient number, since it is larger than the sum of its proper divisors (10239334).

12501146 is a wasteful number, since it uses less digits than its factorization.

12501146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12501146 is about 3535.6959710925. The cubic root of 12501146 is about 232.0865338116.

Adding to 12501146 its reverse (64110521), we get a palindrome (76611667).

The spelling of 12501146 in words is "twelve million, five hundred one thousand, one hundred forty-six".