12542044 has 12 divisors (see below), whose sum is σ = 22415904. Its totient is φ = 6137504.

The previous prime is 12542029. The next prime is 12542059. The reversal of 12542044 is 44024521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12542029) and next prime (12542059).

It is a congruent number.

It is an unprimeable number.

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, 33169 + ... + 33544.

It is an arithmetic number, because the mean of its divisors is an integer number (1867992).

Almost surely, 2^12542044 is an apocalyptic number.

It is an amenable number.

12542044 is a deficient number, since it is larger than the sum of its proper divisors (9873860).

12542044 is a wasteful number, since it uses less digits than its factorization.

12542044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66764 (or 66762 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 12542044 is about 3541.4748340204. The cubic root of 12542044 is about 232.3393517750.

Adding to 12542044 its reverse (44024521), we get a palindrome (56566565).

The spelling of 12542044 in words is "twelve million, five hundred forty-two thousand, forty-four".