12998546 has 32 divisors (see below), whose sum is σ = 22662720. Its totient is φ = 5575680.

The previous prime is 12998521. The next prime is 12998561. The reversal of 12998546 is 64589921.

12998546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12998546² = 337924396228232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12998497 and 12998506.

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, 50450 + ... + 50706.

It is an arithmetic number, because the mean of its divisors is an integer number (708210).

Almost surely, 2^12998546 is an apocalyptic number.

12998546 is a deficient number, since it is larger than the sum of its proper divisors (9664174).

12998546 is a wasteful number, since it uses less digits than its factorization.

12998546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 289 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 12998546 is about 3605.3496363044. The cubic root of 12998546 is about 235.1247021872.

It can be divided in two parts, 129985 and 46, that added together give a palindrome (130031).

The spelling of 12998546 in words is "twelve million, nine hundred ninety-eight thousand, five hundred forty-six".