12845442 has 8 divisors (see below), whose sum is σ = 25690896. Its totient is φ = 4281812.

The previous prime is 12845411. The next prime is 12845449. The reversal of 12845442 is 24454821.

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

12845442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12845449) 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, 1070448 + ... + 1070459.

It is an arithmetic number, because the mean of its divisors is an integer number (3211362).

Almost surely, 2^12845442 is an apocalyptic number.

12845442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12845442 is a wasteful number, since it uses less digits than its factorization.

12845442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140912.

The product of its digits is 10240, while the sum is 30.

The square root of 12845442 is about 3584.0538500419. The cubic root of 12845442 is about 234.1979113138.

The spelling of 12845442 in words is "twelve million, eight hundred forty-five thousand, four hundred forty-two".