12641146 has 16 divisors (see below), whose sum is σ = 21729600. Its totient is φ = 5402880.

The previous prime is 12641119. The next prime is 12641147. The reversal of 12641146 is 64114621.

12641146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12641146.

It is not an unprimeable number, because it can be changed into a prime (12641147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5281 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (1358100).

Almost surely, 2^12641146 is an apocalyptic number.

12641146 is a deficient number, since it is larger than the sum of its proper divisors (9088454).

12641146 is a wasteful number, since it uses less digits than its factorization.

12641146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its digits is 1152, while the sum is 25.

The square root of 12641146 is about 3555.4389321151. The cubic root of 12641146 is about 232.9496965705.

Adding to 12641146 its reverse (64114621), we get a palindrome (76755767).

The spelling of 12641146 in words is "twelve million, six hundred forty-one thousand, one hundred forty-six".