12656748 has 54 divisors (see below), whose sum is σ = 32388804. Its totient is φ = 3845088.

The previous prime is 12656737. The next prime is 12656783. The reversal of 12656748 is 84765621.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 160173 + ... + 160251.

Almost surely, 2^12656748 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 12656748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16194402).

12656748 is an abundant number, since it is smaller than the sum of its proper divisors (19732056).

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

12656748 is a wasteful number, since it uses less digits than its factorization.

12656748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 97 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 12656748 is about 3557.6323587465. The cubic root of 12656748 is about 233.0454945026.

The spelling of 12656748 in words is "twelve million, six hundred fifty-six thousand, seven hundred forty-eight".