12324021 has 8 divisors (see below), whose sum is σ = 17146560. Its totient is φ = 7858752.

The previous prime is 12323999. The next prime is 12324041. The reversal of 12324021 is 12042321.

12324021 is digitally balanced in base 2, 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 not a de Polignac number, because 12324021 - 2¹³ = 12315829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324041) 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, 89236 + ... + 89373.

It is an arithmetic number, because the mean of its divisors is an integer number (2143320).

Almost surely, 2^12324021 is an apocalyptic number.

It is an amenable number.

12324021 is a deficient number, since it is larger than the sum of its proper divisors (4822539).

12324021 is a wasteful number, since it uses less digits than its factorization.

12324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178635.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12324021 is about 3510.5585025748. The cubic root of 12324021 is about 230.9851942311.

Adding to 12324021 its reverse (12042321), we get a palindrome (24366342).

It can be divided in two parts, 1232 and 4021, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 12324021 in words is "twelve million, three hundred twenty-four thousand, twenty-one".