12305642 has 8 divisors (see below), whose sum is σ = 18631296. Its totient is φ = 6095212.

The previous prime is 12305641. The next prime is 12305653. The reversal of 12305642 is 24650321.

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

It is not an unprimeable number, because it can be changed into a prime (12305641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28538 + ... + 28965.

It is an arithmetic number, because the mean of its divisors is an integer number (2328912).

Almost surely, 2^12305642 is an apocalyptic number.

12305642 is a deficient number, since it is larger than the sum of its proper divisors (6325654).

12305642 is a wasteful number, since it uses less digits than its factorization.

12305642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57612.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12305642 is about 3507.9398512517. The cubic root of 12305642 is about 230.8703131928.

Adding to 12305642 its reverse (24650321), we get a palindrome (36955963).

The spelling of 12305642 in words is "twelve million, three hundred five thousand, six hundred forty-two".