12414421 has 4 divisors (see below), whose sum is σ = 12589344.
Its totient is φ = 12239500.
The previous prime is 12414383. The next prime is 12414433. The reversal of 12414421 is 12441421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12414421 - 29 = 12413909 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 (12414121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87355 + ... + 87496.
It is an arithmetic number, because the mean of its divisors is an integer number (3147336).
Almost surely, 212414421 is an apocalyptic number.
It is an amenable number.
12414421 is a deficient number, since it is larger than the sum of its proper divisors (174923).
12414421 is an equidigital number, since it uses as much as digits as its factorization.
12414421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174922.
The product of its digits is 256, while the sum is 19.
The square root of 12414421 is about 3523.4104217363.
The cubic root of 12414421 is about 231.5485983490.
Adding to 12414421 its reverse (12441421), we get a palindrome (24855842).
Subtracting 12414421 from its reverse (12441421), we obtain a cube (27000 = 303).
The spelling of 12414421 in words is "twelve million, four hundred fourteen thousand, four hundred twenty-one".