12411421 has 8 divisors (see below), whose sum is σ = 14128704. Its totient is φ = 10792320.

The previous prime is 12411419. The next prime is 12411433.

It is a happy number.

12411421 is nontrivially palindromic in base 10.

12411421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12411421 - 2¹ = 12411419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12411395 and 12411404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12411461) 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 7 ways as a sum of consecutive naturals, for example, 24276 + ... + 24781.

It is an arithmetic number, because the mean of its divisors is an integer number (1766088).

Almost surely, 2^12411421 is an apocalyptic number.

12411421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12411421 is a deficient number, since it is larger than the sum of its proper divisors (1717283).

12411421 is a wasteful number, since it uses less digits than its factorization.

12411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49091.

The product of its digits is 64, while the sum is 16.

The square root of 12411421 is about 3522.9846721211. The cubic root of 12411421 is about 231.5299452639.

It can be divided in two parts, 1241 and 1421, that added together give a palindrome (2662).

The spelling of 12411421 in words is "twelve million, four hundred eleven thousand, four hundred twenty-one".