12324553 has 4 divisors (see below), whose sum is σ = 12480640. Its totient is φ = 12168468.

The previous prime is 12324497. The next prime is 12324607. The reversal of 12324553 is 35542321.

12324553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12324553 - 2⁹ = 12324041 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12324253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77925 + ... + 78082.

It is an arithmetic number, because the mean of its divisors is an integer number (3120160).

Almost surely, 2^12324553 is an apocalyptic number.

It is an amenable number.

12324553 is a deficient number, since it is larger than the sum of its proper divisors (156087).

12324553 is an equidigital number, since it uses as much as digits as its factorization.

12324553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156086.

The product of its digits is 3600, while the sum is 25.

The square root of 12324553 is about 3510.6342731763. The cubic root of 12324553 is about 230.9885178853.

Adding to 12324553 its reverse (35542321), we get a palindrome (47866874).

The spelling of 12324553 in words is "twelve million, three hundred twenty-four thousand, five hundred fifty-three".