12198004 has 96 divisors (see below), whose sum is σ = 28901376. Its totient is φ = 4371840.

The previous prime is 12198001. The next prime is 12198007. The reversal of 12198004 is 40089121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12198001) and next prime (12198007).

It is a self number, because there is not a number n which added to its sum of digits gives 12198004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198001) 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, 259509 + ... + 259555.

It is an arithmetic number, because the mean of its divisors is an integer number (301056).

Almost surely, 2^12198004 is an apocalyptic number.

12198004 is a gapful number since it is divisible by the number (14) 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 12198004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14450688).

12198004 is an abundant number, since it is smaller than the sum of its proper divisors (16703372).

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

12198004 is a wasteful number, since it uses less digits than its factorization.

12198004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12198004 is about 3492.5641010581. The cubic root of 12198004 is about 230.1951966123.

The spelling of 12198004 in words is "twelve million, one hundred ninety-eight thousand, four".