12668598 has 48 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 4071600.

The previous prime is 12668569. The next prime is 12668603. The reversal of 12668598 is 89586621.

12668598 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 is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83823 + ... + 83973.

It is an arithmetic number, because the mean of its divisors is an integer number (592800).

Almost surely, 2^12668598 is an apocalyptic number.

12668598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12668598 is an abundant number, since it is smaller than the sum of its proper divisors (15785802).

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

12668598 is a wasteful number, since it uses less digits than its factorization.

12668598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 294 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 12668598 is about 3559.2974025782. The cubic root of 12668598 is about 233.1182021655.

The spelling of 12668598 in words is "twelve million, six hundred sixty-eight thousand, five hundred ninety-eight".