12000798 has 28 divisors (see below), whose sum is σ = 26992728. Its totient is φ = 3999780.

The previous prime is 12000797. The next prime is 12000841. The reversal of 12000798 is 89700021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000797) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2658 + ... + 5573.

It is an arithmetic number, because the mean of its divisors is an integer number (964026).

Almost surely, 2^12000798 is an apocalyptic number.

12000798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12000798 is an abundant number, since it is smaller than the sum of its proper divisors (14991930).

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

12000798 is an frugal number, since it uses more digits than its factorization.

12000798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8236 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 12000798 is about 3464.2167946016. The cubic root of 12000798 is about 228.9479232980.

The spelling of 12000798 in words is "twelve million, seven hundred ninety-eight", and thus it is an aban number.