12645353 has 4 divisors (see below), whose sum is σ = 14451840. Its totient is φ = 10838868.

The previous prime is 12645341. The next prime is 12645359. The reversal of 12645353 is 35354621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35354621 = 839 ⋅42139.

It is a cyclic number.

It is not a de Polignac number, because 12645353 - 2⁴ = 12645337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12645359) 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 3 ways as a sum of consecutive naturals, for example, 903233 + ... + 903246.

It is an arithmetic number, because the mean of its divisors is an integer number (3612960).

Almost surely, 2^12645353 is an apocalyptic number.

It is an amenable number.

12645353 is a deficient number, since it is larger than the sum of its proper divisors (1806487).

12645353 is an equidigital number, since it uses as much as digits as its factorization.

12645353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806486.

The product of its digits is 10800, while the sum is 29.

The square root of 12645353 is about 3556.0305116801. The cubic root of 12645353 is about 232.9755357541.

Adding to 12645353 its reverse (35354621), we get a palindrome (47999974).

The spelling of 12645353 in words is "twelve million, six hundred forty-five thousand, three hundred fifty-three".