12421368 has 24 divisors (see below), whose sum is σ = 33641400. Its totient is φ = 4140432.

The previous prime is 12421361. The next prime is 12421391. The reversal of 12421368 is 86312421.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421361) 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 5 ways as a sum of consecutive naturals, for example, 86188 + ... + 86331.

It is an arithmetic number, because the mean of its divisors is an integer number (1401725).

Almost surely, 2^12421368 is an apocalyptic number.

12421368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12421368 is an abundant number, since it is smaller than the sum of its proper divisors (21220032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421368 is a wasteful number, since it uses less digits than its factorization.

12421368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172531 (or 172524 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12421368 is about 3524.3961184861. The cubic root of 12421368 is about 231.5917811432.

Adding to 12421368 its reverse (86312421), we get a palindrome (98733789).

The spelling of 12421368 in words is "twelve million, four hundred twenty-one thousand, three hundred sixty-eight".