12200403 has 4 divisors (see below), whose sum is σ = 16267208. Its totient is φ = 8133600.

The previous prime is 12200399. The next prime is 12200431. The reversal of 12200403 is 30400221.

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

It is not a de Polignac number, because 12200403 - 2² = 12200399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200443) 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 in 3 ways as a sum of consecutive naturals, for example, 2033398 + ... + 2033403.

It is an arithmetic number, because the mean of its divisors is an integer number (4066802).

Almost surely, 2^12200403 is an apocalyptic number.

12200403 is a deficient number, since it is larger than the sum of its proper divisors (4066805).

12200403 is an equidigital number, since it uses as much as digits as its factorization.

12200403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066804.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12200403 is about 3492.9075281204. The cubic root of 12200403 is about 230.2102865696.

Adding to 12200403 its reverse (30400221), we get a palindrome (42600624).

The spelling of 12200403 in words is "twelve million, two hundred thousand, four hundred three".