12743104 has 56 divisors (see below), whose sum is σ = 28821888. Its totient is φ = 5533440.

The previous prime is 12743089. The next prime is 12743111. The reversal of 12743104 is 40134721.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15799 + ... + 16585.

Almost surely, 2^12743104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12743104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14410944).

12743104 is an abundant number, since it is smaller than the sum of its proper divisors (16078784).

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

12743104 is a wasteful number, since it uses less digits than its factorization.

12743104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12743104 is about 3569.7484505214. The cubic root of 12743104 is about 233.5743106797.

Adding to 12743104 its reverse (40134721), we get a palindrome (52877825).

The spelling of 12743104 in words is "twelve million, seven hundred forty-three thousand, one hundred four".