12442552 has 8 divisors (see below), whose sum is σ = 23329800. Its totient is φ = 6221272.

The previous prime is 12442531. The next prime is 12442553. The reversal of 12442552 is 25524421.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777652 + ... + 777667.

It is an arithmetic number, because the mean of its divisors is an integer number (2916225).

Almost surely, 2^12442552 is an apocalyptic number.

It is an amenable number.

12442552 is a deficient number, since it is larger than the sum of its proper divisors (10887248).

12442552 is a wasteful number, since it uses less digits than its factorization.

12442552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555325 (or 1555321 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 12442552 is about 3527.4001757668. The cubic root of 12442552 is about 231.7233623005.

Adding to 12442552 its reverse (25524421), we get a palindrome (37966973).

The spelling of 12442552 in words is "twelve million, four hundred forty-two thousand, five hundred fifty-two".