12490242 has 32 divisors (see below), whose sum is σ = 26974080. Its totient is φ = 3843840.

The previous prime is 12490237. The next prime is 12490243. The reversal of 12490242 is 24209421.

It is a super-2 number, since 2×12490242² = 312012290437128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12490243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (842940).

Almost surely, 2^12490242 is an apocalyptic number.

12490242 is an abundant number, since it is smaller than the sum of its proper divisors (14483838).

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

12490242 is a wasteful number, since it uses less digits than its factorization.

12490242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12490242 is about 3534.1536469146. The cubic root of 12490242 is about 232.0190357944.

Adding to 12490242 its reverse (24209421), we get a palindrome (36699663).

The spelling of 12490242 in words is "twelve million, four hundred ninety thousand, two hundred forty-two".