12544342 has 4 divisors (see below), whose sum is σ = 18816516. Its totient is φ = 6272170.

The previous prime is 12544321. The next prime is 12544379. The reversal of 12544342 is 24344521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24344521 = 59 ⋅412619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136084 + ... + 3136087.

It is an arithmetic number, because the mean of its divisors is an integer number (4704129).

Almost surely, 2^12544342 is an apocalyptic number.

12544342 is a deficient number, since it is larger than the sum of its proper divisors (6272174).

12544342 is an equidigital number, since it uses as much as digits as its factorization.

12544342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272173.

The product of its digits is 3840, while the sum is 25.

The square root of 12544342 is about 3541.7992602631. The cubic root of 12544342 is about 232.3535409355.

Adding to 12544342 its reverse (24344521), we get a palindrome (36888863).

The spelling of 12544342 in words is "twelve million, five hundred forty-four thousand, three hundred forty-two".