12105453 has 8 divisors (see below), whose sum is σ = 16223328. Its totient is φ = 8028944.

The previous prime is 12105433. The next prime is 12105463. The reversal of 12105453 is 35450121.

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 12105453 - 2⁵ = 12105421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9651 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (2027916).

Almost surely, 2^12105453 is an apocalyptic number.

It is an amenable number.

12105453 is a deficient number, since it is larger than the sum of its proper divisors (4117875).

12105453 is a wasteful number, since it uses less digits than its factorization.

12105453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20683.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12105453 is about 3479.2891515366. The cubic root of 12105453 is about 229.6115244390.

Adding to 12105453 its reverse (35450121), we get a palindrome (47555574).

The spelling of 12105453 in words is "twelve million, one hundred five thousand, four hundred fifty-three".