12300421 has 12 divisors (see below), whose sum is σ = 14368332. Its totient is φ = 10499328.

The previous prime is 12300403. The next prime is 12300443. The reversal of 12300421 is 12400321.

12300421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5336100 + 6964321 = 2310^2 + 2639^2 .

It is not a de Polignac number, because 12300421 - 2¹⁷ = 12169349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17941 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (1197361).

Almost surely, 2^12300421 is an apocalyptic number.

It is an amenable number.

12300421 is a deficient number, since it is larger than the sum of its proper divisors (2067911).

12300421 is an equidigital number, since it uses as much as digits as its factorization.

12300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12300421 is about 3507.1956033275. The cubic root of 12300421 is about 230.8376575915.

Adding to 12300421 its reverse (12400321), we get a palindrome (24700742).

It can be divided in two parts, 12300 and 421, that added together give a palindrome (12721).

The spelling of 12300421 in words is "twelve million, three hundred thousand, four hundred twenty-one".