12321204 has 24 divisors (see below), whose sum is σ = 32856768. Its totient is φ = 3520320.

The previous prime is 12321193. The next prime is 12321223. The reversal of 12321204 is 40212321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73257 + ... + 73424.

It is an arithmetic number, because the mean of its divisors is an integer number (1369032).

Almost surely, 2^12321204 is an apocalyptic number.

12321204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12321204 is an abundant number, since it is smaller than the sum of its proper divisors (20535564).

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

12321204 is a wasteful number, since it uses less digits than its factorization.

12321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146695 (or 146693 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12321204 is about 3510.1572614343. The cubic root of 12321204 is about 230.9675935125.

Adding to 12321204 its reverse (40212321), we get a palindrome (52533525).

The spelling of 12321204 in words is "twelve million, three hundred twenty-one thousand, two hundred four".