12396542 has 8 divisors (see below), whose sum is σ = 18899832. Its totient is φ = 6096600.

The previous prime is 12396533. The next prime is 12396557. The reversal of 12396542 is 24569321.

It is a happy number.

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 = 12396499 and 12396508.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50684 + ... + 50927.

It is an arithmetic number, because the mean of its divisors is an integer number (2362479).

Almost surely, 2^12396542 is an apocalyptic number.

12396542 is a deficient number, since it is larger than the sum of its proper divisors (6503290).

12396542 is a wasteful number, since it uses less digits than its factorization.

12396542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101674.

The product of its digits is 12960, while the sum is 32.

The square root of 12396542 is about 3520.8723350897. The cubic root of 12396542 is about 231.4373877293.

The spelling of 12396542 in words is "twelve million, three hundred ninety-six thousand, five hundred forty-two".