12200434 has 4 divisors (see below), whose sum is σ = 18300654. Its totient is φ = 6100216.

The previous prime is 12200431. The next prime is 12200437. The reversal of 12200434 is 43400221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12200431) and next prime (12200437).

It can be written as a sum of positive squares in only one way, i.e., 8684809 + 3515625 = 2947^2 + 1875^2 .

It is not an unprimeable number, because it can be changed into a prime (12200431) by changing a digit.

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 as a sum of consecutive naturals, namely, 3050107 + ... + 3050110.

Almost surely, 2^12200434 is an apocalyptic number.

12200434 is a deficient number, since it is larger than the sum of its proper divisors (6100220).

12200434 is an equidigital number, since it uses as much as digits as its factorization.

12200434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100219.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12200434 is about 3492.9119656814. The cubic root of 12200434 is about 230.2104815499.

Adding to 12200434 its reverse (43400221), we get a palindrome (55600655).

The spelling of 12200434 in words is "twelve million, two hundred thousand, four hundred thirty-four".