12724908 has 144 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 3193344.

The previous prime is 12724897. The next prime is 12724909. The reversal of 12724908 is 80942721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12724909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189891 + ... + 189957.

It is an arithmetic number, because the mean of its divisors is an integer number (271320).

Almost surely, 2^12724908 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 12724908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19535040).

12724908 is an abundant number, since it is smaller than the sum of its proper divisors (26345172).

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

12724908 is a wasteful number, since it uses less digits than its factorization.

12724908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12724908 is about 3567.1989010987. The cubic root of 12724908 is about 233.4630833918.

The spelling of 12724908 in words is "twelve million, seven hundred twenty-four thousand, nine hundred eight".