12724884 has 48 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 4167648.

The previous prime is 12724879. The next prime is 12724897. The reversal of 12724884 is 48842721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 5374 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 2^12724884 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 12724884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16783200).

12724884 is an abundant number, since it is smaller than the sum of its proper divisors (20841516).

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

12724884 is a wasteful number, since it uses less digits than its factorization.

12724884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069 (or 2061 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 12724884 is about 3567.1955371132. The cubic root of 12724884 is about 233.4629366163.

The spelling of 12724884 in words is "twelve million, seven hundred twenty-four thousand, eight hundred eighty-four".