12476728 has 32 divisors (see below), whose sum is σ = 26406000. Its totient is φ = 5474560.

The previous prime is 12476713. The next prime is 12476729. The reversal of 12476728 is 82767421.

12476728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12476729) 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, 108 + ... + 4996.

Almost surely, 2^12476728 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 12476728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13203000).

12476728 is an abundant number, since it is smaller than the sum of its proper divisors (13929272).

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

12476728 is a wasteful number, since it uses less digits than its factorization.

12476728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935 (or 4931 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 12476728 is about 3532.2412148663. The cubic root of 12476728 is about 231.9353268007.

The spelling of 12476728 in words is "twelve million, four hundred seventy-six thousand, seven hundred twenty-eight".