12324649 has 4 divisors (see below), whose sum is σ = 12343636. Its totient is φ = 12305664.

The previous prime is 12324647. The next prime is 12324659. The reversal of 12324649 is 94642321.

It is a happy number.

12324649 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 an emirpimes, since its reverse is a distinct semiprime: 94642321 = 5209 ⋅18169.

It can be written as a sum of positive squares in 2 ways, for example, as 3515625 + 8809024 = 1875^2 + 2968^2 .

It is a cyclic number.

It is not a de Polignac number, because 12324649 - 2¹ = 12324647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12324649.

It is not an unprimeable number, because it can be changed into a prime (12324647) 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, 8484 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (3085909).

Almost surely, 2^12324649 is an apocalyptic number.

It is an amenable number.

12324649 is a deficient number, since it is larger than the sum of its proper divisors (18987).

12324649 is an equidigital number, since it uses as much as digits as its factorization.

12324649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986.

The product of its digits is 10368, while the sum is 31.

The square root of 12324649 is about 3510.6479458926. The cubic root of 12324649 is about 230.9891176323.

The spelling of 12324649 in words is "twelve million, three hundred twenty-four thousand, six hundred forty-nine".