12458242 has 8 divisors (see below), whose sum is σ = 18708732. Its totient is φ = 6222000.

The previous prime is 12458239. The next prime is 12458267. The reversal of 12458242 is 24285421.

It can be written as a sum of positive squares in 2 ways, for example, as 12313081 + 145161 = 3509^2 + 381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12458242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009 + ... + 5092.

Almost surely, 2^12458242 is an apocalyptic number.

12458242 is a deficient number, since it is larger than the sum of its proper divisors (6250490).

12458242 is a wasteful number, since it uses less digits than its factorization.

12458242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124.

The product of its digits is 5120, while the sum is 28.

The square root of 12458242 is about 3529.6234926689. The cubic root of 12458242 is about 231.8207220814.

The spelling of 12458242 in words is "twelve million, four hundred fifty-eight thousand, two hundred forty-two".