12342641 has 4 divisors (see below), whose sum is σ = 12405492. Its totient is φ = 12279792.

The previous prime is 12342637. The next prime is 12342653. The reversal of 12342641 is 14624321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14624321 = 2521 ⋅5801.

It can be written as a sum of positive squares in 2 ways, for example, as 8579041 + 3763600 = 2929^2 + 1940^2 .

It is a cyclic number.

It is not a de Polignac number, because 12342641 - 2² = 12342637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342601) 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, 31130 + ... + 31523.

It is an arithmetic number, because the mean of its divisors is an integer number (3101373).

Almost surely, 2^12342641 is an apocalyptic number.

It is an amenable number.

12342641 is a deficient number, since it is larger than the sum of its proper divisors (62851).

12342641 is an equidigital number, since it uses as much as digits as its factorization.

12342641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62850.

The product of its digits is 1152, while the sum is 23.

The square root of 12342641 is about 3513.2095012965. The cubic root of 12342641 is about 231.1014652673.

Adding to 12342641 its reverse (14624321), we get a palindrome (26966962).

The spelling of 12342641 in words is "twelve million, three hundred forty-two thousand, six hundred forty-one".