12688548 has 48 divisors (see below), whose sum is σ = 31911936. Its totient is φ = 3912480.

The previous prime is 12688547. The next prime is 12688553. The reversal of 12688548 is 84588621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12688547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7815 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (664832).

Almost surely, 2^12688548 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 12688548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15955968).

12688548 is an abundant number, since it is smaller than the sum of its proper divisors (19223388).

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

12688548 is a wasteful number, since it uses less digits than its factorization.

12688548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1542 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 12688548 is about 3562.0988195164. The cubic root of 12688548 is about 233.2405063862.

The spelling of 12688548 in words is "twelve million, six hundred eighty-eight thousand, five hundred forty-eight".