12704112 has 30 divisors (see below), whose sum is σ = 35554272. Its totient is φ = 4234656.

The previous prime is 12704093. The next prime is 12704113. The reversal of 12704112 is 21140721.

It is a super-2 number, since 2×12704112² = 322788923417088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704113) 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 5 ways as a sum of consecutive naturals, for example, 43968 + ... + 44255.

Almost surely, 2^12704112 is an apocalyptic number.

12704112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12704112 is an abundant number, since it is smaller than the sum of its proper divisors (22850160).

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

12704112 is a wasteful number, since it uses less digits than its factorization.

12704112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88237 (or 88228 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12704112 is about 3564.2828170615. The cubic root of 12704112 is about 233.3358330798.

Adding to 12704112 its reverse (21140721), we get a palindrome (33844833).

The spelling of 12704112 in words is "twelve million, seven hundred four thousand, one hundred twelve".