12648870 has 96 divisors (see below), whose sum is σ = 37346400. Its totient is φ = 2944512.

The previous prime is 12648859. The next prime is 12648877. The reversal of 12648870 is 7884621.

12648870 is a `hidden beast` number, since 1 + 2 + 648 + 8 + 7 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648877) 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, 21946 + ... + 22514.

It is an arithmetic number, because the mean of its divisors is an integer number (389025).

Almost surely, 2^12648870 is an apocalyptic number.

12648870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12648870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18673200).

12648870 is an abundant number, since it is smaller than the sum of its proper divisors (24697530).

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

12648870 is a wasteful number, since it uses less digits than its factorization.

12648870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12648870 is about 3556.5249893681. The cubic root of 12648870 is about 232.9971325944.

The spelling of 12648870 in words is "twelve million, six hundred forty-eight thousand, eight hundred seventy".