12553242 has 32 divisors (see below), whose sum is σ = 28631232. Its totient is φ = 3634944.

The previous prime is 12553241. The next prime is 12553271. The reversal of 12553242 is 24235521.

It is not an unprimeable number, because it can be changed into a prime (12553241) 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 15 ways as a sum of consecutive naturals, for example, 3408 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (894726).

Almost surely, 2^12553242 is an apocalyptic number.

12553242 is an abundant number, since it is smaller than the sum of its proper divisors (16077990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12553242 is a wasteful number, since it uses less digits than its factorization.

12553242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502.

The product of its digits is 2400, while the sum is 24.

The square root of 12553242 is about 3543.0554610392. The cubic root of 12553242 is about 232.4084782570.

Adding to 12553242 its reverse (24235521), we get a palindrome (36788763).

The spelling of 12553242 in words is "twelve million, five hundred fifty-three thousand, two hundred forty-two".