12204402 has 32 divisors (see below), whose sum is σ = 29538432. Its totient is φ = 3281664.

The previous prime is 12204397. The next prime is 12204431. The reversal of 12204402 is 20440221.

It is a plaindrome in base 15.

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 15 ways as a sum of consecutive naturals, for example, 7833 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (923076).

Almost surely, 2^12204402 is an apocalyptic number.

12204402 is an abundant number, since it is smaller than the sum of its proper divisors (17334030).

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

12204402 is a wasteful number, since it uses less digits than its factorization.

12204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17122.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12204402 is about 3493.4799269496. The cubic root of 12204402 is about 230.2354362954.

Adding to 12204402 its reverse (20440221), we get a palindrome (32644623).

The spelling of 12204402 in words is "twelve million, two hundred four thousand, four hundred two".