12421453 has 8 divisors (see below), whose sum is σ = 13866336. Its totient is φ = 11029200.

The previous prime is 12421439. The next prime is 12421481. The reversal of 12421453 is 35412421.

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

It is a cyclic number.

It is not a de Polignac number, because 12421453 - 2¹⁷ = 12290381 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421433) 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, 12658 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (1733292).

Almost surely, 2^12421453 is an apocalyptic number.

It is an amenable number.

12421453 is a deficient number, since it is larger than the sum of its proper divisors (1444883).

12421453 is a wasteful number, since it uses less digits than its factorization.

12421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26315.

The product of its digits is 960, while the sum is 22.

The square root of 12421453 is about 3524.4081772689. The cubic root of 12421453 is about 231.5923094064.

Adding to 12421453 its reverse (35412421), we get a palindrome (47833874).

The spelling of 12421453 in words is "twelve million, four hundred twenty-one thousand, four hundred fifty-three".