12205004 has 12 divisors (see below), whose sum is σ = 24410064. Its totient is φ = 5230704.

The previous prime is 12205001. The next prime is 12205009. The reversal of 12205004 is 40050221.

12205004 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12205004.

It is not an unprimeable number, because it can be changed into a prime (12205001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217919 + ... + 217974.

It is an arithmetic number, because the mean of its divisors is an integer number (2034172).

Almost surely, 2^12205004 is an apocalyptic number.

12205004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12205004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12205004 is a wasteful number, since it uses less digits than its factorization.

12205004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435904 (or 435902 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12205004 is about 3493.5660863937. The cubic root of 12205004 is about 230.2392217998.

Adding to 12205004 its reverse (40050221), we get a palindrome (52255225).

The spelling of 12205004 in words is "twelve million, two hundred five thousand, four".