12542441 has 4 divisors (see below), whose sum is σ = 12563712. Its totient is φ = 12521172.

The previous prime is 12542437. The next prime is 12542449. The reversal of 12542441 is 14424521.

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 12542441 - 2² = 12542437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12542449) 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, 9725 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (3140928).

Almost surely, 2^12542441 is an apocalyptic number.

It is an amenable number.

12542441 is a deficient number, since it is larger than the sum of its proper divisors (21271).

12542441 is an equidigital number, since it uses as much as digits as its factorization.

12542441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270.

The product of its digits is 1280, while the sum is 23.

The square root of 12542441 is about 3541.5308836716. The cubic root of 12542441 is about 232.3418032029.

Adding to 12542441 its reverse (14424521), we get a palindrome (26966962).

The spelling of 12542441 in words is "twelve million, five hundred forty-two thousand, four hundred forty-one".