12643548 has 48 divisors (see below), whose sum is σ = 30602880. Its totient is φ = 4060224.

The previous prime is 12643541. The next prime is 12643549. The reversal of 12643548 is 84534621.

12643548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (23040) is a multiple of the sum of its prime divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643541) 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, 55098 + ... + 55326.

It is an arithmetic number, because the mean of its divisors is an integer number (637560).

Almost surely, 2^12643548 is an apocalyptic number.

It is an amenable number.

12643548 is an abundant number, since it is smaller than the sum of its proper divisors (17959332).

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

12643548 is a wasteful number, since it uses less digits than its factorization.

12643548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 12643548 is about 3555.7767084000. The cubic root of 12643548 is about 232.9644502364.

The spelling of 12643548 in words is "twelve million, six hundred forty-three thousand, five hundred forty-eight".