12205434 has 8 divisors (see below), whose sum is σ = 24410880. Its totient is φ = 4068476.

The previous prime is 12205393. The next prime is 12205441. The reversal of 12205434 is 43450221.

It is a sphenic number, since it is the product of 3 distinct primes.

12205434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12205434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017114 + ... + 1017125.

It is an arithmetic number, because the mean of its divisors is an integer number (3051360).

Almost surely, 2^12205434 is an apocalyptic number.

12205434 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.

12205434 is a wasteful number, since it uses less digits than its factorization.

12205434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034244.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12205434 is about 3493.6276275528. The cubic root of 12205434 is about 230.2419256554.

Adding to 12205434 its reverse (43450221), we get a palindrome (55655655).

The spelling of 12205434 in words is "twelve million, two hundred five thousand, four hundred thirty-four".