12556548 has 36 divisors (see below), whose sum is σ = 32343948. Its totient is φ = 4105920.

The previous prime is 12556547. The next prime is 12556571. The reversal of 12556548 is 84565521.

12556548 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 6563844 = 2448^2 + 2562^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (12556543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1383 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (898443).

Almost surely, 2^12556548 is an apocalyptic number.

12556548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12556548 is an abundant number, since it is smaller than the sum of its proper divisors (19787400).

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

12556548 is a wasteful number, since it uses less digits than its factorization.

12556548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644 (or 6639 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 12556548 is about 3543.5219767909. The cubic root of 12556548 is about 232.4288786973.

The spelling of 12556548 in words is "twelve million, five hundred fifty-six thousand, five hundred forty-eight".