12798660 has 96 divisors (see below), whose sum is σ = 42319872. Its totient is φ = 2828160.

The previous prime is 12798641. The next prime is 12798661. The reversal of 12798660 is 6689721.

It is not an unprimeable number, because it can be changed into a prime (12798661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12529 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (440832).

Almost surely, 2^12798660 is an apocalyptic number.

12798660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12798660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21159936).

12798660 is an abundant number, since it is smaller than the sum of its proper divisors (29521212).

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

12798660 is a wasteful number, since it uses less digits than its factorization.

12798660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 12798660 is about 3577.5214884051. The cubic root of 12798660 is about 233.9132558893.

The spelling of 12798660 in words is "twelve million, seven hundred ninety-eight thousand, six hundred sixty".