12468542 has 8 divisors (see below), whose sum is σ = 18722496. Its totient is φ = 6227712.

The previous prime is 12468457. The next prime is 12468557. The reversal of 12468542 is 24586421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12468499 and 12468508.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 398 + ... + 5009.

It is an arithmetic number, because the mean of its divisors is an integer number (2340312).

Almost surely, 2^12468542 is an apocalyptic number.

12468542 is a deficient number, since it is larger than the sum of its proper divisors (6253954).

12468542 is a wasteful number, since it uses less digits than its factorization.

12468542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562.

The product of its digits is 15360, while the sum is 32.

The square root of 12468542 is about 3531.0822703528. The cubic root of 12468542 is about 231.8845913310.

The spelling of 12468542 in words is "twelve million, four hundred sixty-eight thousand, five hundred forty-two".