12428203 has 2 divisors, whose sum is σ = 12428204. Its totient is φ = 12428202.

The previous prime is 12428197. The next prime is 12428219. The reversal of 12428203 is 30282421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12428203 - 2¹³ = 12420011 is a prime.

It is equal to p₈₁₄₃₅₁ and since 12428203 and 814351 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12428233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214101 + 6214102.

It is an arithmetic number, because the mean of its divisors is an integer number (6214102).

Almost surely, 2^12428203 is an apocalyptic number.

12428203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12428203 is an equidigital number, since it uses as much as digits as its factorization.

12428203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12428203 is about 3525.3656547938. The cubic root of 12428203 is about 231.6342520307.

The spelling of 12428203 in words is "twelve million, four hundred twenty-eight thousand, two hundred three".