12004398 has 24 divisors (see below), whose sum is σ = 29725488. Its totient is φ = 3429792.

The previous prime is 12004387. The next prime is 12004403. The reversal of 12004398 is 89340021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47511 + ... + 47762.

It is an arithmetic number, because the mean of its divisors is an integer number (1238562).

Almost surely, 2^12004398 is an apocalyptic number.

12004398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12004398 is an abundant number, since it is smaller than the sum of its proper divisors (17721090).

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

12004398 is a wasteful number, since it uses less digits than its factorization.

12004398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95288 (or 95285 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12004398 is about 3464.7363536061. The cubic root of 12004398 is about 228.9708142791.

The spelling of 12004398 in words is "twelve million, four thousand, three hundred ninety-eight".