12842003 has 4 divisors (see below), whose sum is σ = 13004640. Its totient is φ = 12679368.

The previous prime is 12841991. The next prime is 12842023. The reversal of 12842003 is 30024821.

12842003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30024821 = 23 ⋅1305427.

It is a cyclic number.

It is not a de Polignac number, because 12842003 - 2⁸ = 12841747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12842023) 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, 81200 + ... + 81357.

It is an arithmetic number, because the mean of its divisors is an integer number (3251160).

Almost surely, 2^12842003 is an apocalyptic number.

12842003 is a deficient number, since it is larger than the sum of its proper divisors (162637).

12842003 is an equidigital number, since it uses as much as digits as its factorization.

12842003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162636.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12842003 is about 3583.5740539300. The cubic root of 12842003 is about 234.1770095157.

Adding to 12842003 its reverse (30024821), we get a palindrome (42866824).

The spelling of 12842003 in words is "twelve million, eight hundred forty-two thousand, three".