12442302 has 64 divisors (see below), whose sum is σ = 29702400. Its totient is φ = 3849120.

The previous prime is 12442301. The next prime is 12442319. The reversal of 12442302 is 20324421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68652 + ... + 68832.

It is an arithmetic number, because the mean of its divisors is an integer number (464100).

Almost surely, 2^12442302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12442302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14851200).

12442302 is an abundant number, since it is smaller than the sum of its proper divisors (17260098).

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

12442302 is a wasteful number, since it uses less digits than its factorization.

12442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12442302 is about 3527.3647387249. The cubic root of 12442302 is about 231.7218103352.

Adding to 12442302 its reverse (20324421), we get a palindrome (32766723).

The spelling of 12442302 in words is "twelve million, four hundred forty-two thousand, three hundred two".