12484421 has 2 divisors, whose sum is σ = 12484422. Its totient is φ = 12484420.

The previous prime is 12484403. The next prime is 12484441. The reversal of 12484421 is 12448421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 1188100 = 3361^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 12484421 - 2¹⁴ = 12468037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12484441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6242210 + 6242211.

It is an arithmetic number, because the mean of its divisors is an integer number (6242211).

Almost surely, 2^12484421 is an apocalyptic number.

It is an amenable number.

12484421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12484421 is an equidigital number, since it uses as much as digits as its factorization.

12484421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 26.

The square root of 12484421 is about 3533.3300157217. The cubic root of 12484421 is about 231.9829865149.

The spelling of 12484421 in words is "twelve million, four hundred eighty-four thousand, four hundred twenty-one".