12302442 has 20 divisors (see below), whose sum is σ = 27566946. Its totient is φ = 4100760.

The previous prime is 12302431. The next prime is 12302449. The reversal of 12302442 is 24420321.

It can be written as a sum of positive squares in only one way, i.e., 8346321 + 3956121 = 2889^2 + 1989^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12302449) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37809 + ... + 38132.

Almost surely, 2^12302442 is an apocalyptic number.

12302442 is an abundant number, since it is smaller than the sum of its proper divisors (15264504).

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

12302442 is an equidigital number, since it uses as much as digits as its factorization.

12302442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75955 (or 75946 counting only the distinct ones).

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

The square root of 12302442 is about 3507.4837134333. The cubic root of 12302442 is about 230.8502993636.

Adding to 12302442 its reverse (24420321), we get a palindrome (36722763).

The spelling of 12302442 in words is "twelve million, three hundred two thousand, four hundred forty-two".