12420453 has 8 divisors (see below), whose sum is σ = 16715808. Its totient is φ = 8202704.

The previous prime is 12420451. The next prime is 12420469. The reversal of 12420453 is 35402421.

12420453 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 a cyclic number.

It is not a de Polignac number, because 12420453 - 2¹ = 12420451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420451) 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, 19026 + ... + 19667.

It is an arithmetic number, because the mean of its divisors is an integer number (2089476).

Almost surely, 2^12420453 is an apocalyptic number.

It is an amenable number.

12420453 is a deficient number, since it is larger than the sum of its proper divisors (4295355).

12420453 is a wasteful number, since it uses less digits than its factorization.

12420453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38803.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12420453 is about 3524.2663066233. The cubic root of 12420453 is about 231.5860943921.

Adding to 12420453 its reverse (35402421), we get a palindrome (47822874).

The spelling of 12420453 in words is "twelve million, four hundred twenty thousand, four hundred fifty-three".