12234521 has 4 divisors (see below), whose sum is σ = 13175652. Its totient is φ = 11293392.

The previous prime is 12234517. The next prime is 12234527. The reversal of 12234521 is 12543221.

12234521 is digitally balanced in base 3, 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: 12543221 = 139 ⋅90239.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 9066121 = 1780^2 + 3011^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234521 - 2² = 12234517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12234493 and 12234502.

It is not an unprimeable number, because it can be changed into a prime (12234527) 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, 470546 + ... + 470571.

It is an arithmetic number, because the mean of its divisors is an integer number (3293913).

Almost surely, 2^12234521 is an apocalyptic number.

It is an amenable number.

12234521 is a deficient number, since it is larger than the sum of its proper divisors (941131).

12234521 is an equidigital number, since it uses as much as digits as its factorization.

12234521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941130.

The product of its digits is 480, while the sum is 20.

The square root of 12234521 is about 3497.7880153034. The cubic root of 12234521 is about 230.4246785169.

Adding to 12234521 its reverse (12543221), we get a palindrome (24777742).

It can be divided in two parts, 122 and 34521, that added together give a palindrome (34643).

The spelling of 12234521 in words is "twelve million, two hundred thirty-four thousand, five hundred twenty-one".