12831003 has 6 divisors (see below), whose sum is σ = 18533684. Its totient is φ = 8553996.

The previous prime is 12831001. The next prime is 12831029. The reversal of 12831003 is 30013821.

12831003 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12831003 - 2¹ = 12831001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12831001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712825 + ... + 712842.

Almost surely, 2^12831003 is an apocalyptic number.

12831003 is a deficient number, since it is larger than the sum of its proper divisors (5702681).

12831003 is a wasteful number, since it uses less digits than its factorization.

12831003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425673 (or 1425670 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12831003 is about 3582.0389445119. The cubic root of 12831003 is about 234.1101278685.

Adding to 12831003 its reverse (30013821), we get a palindrome (42844824).

The spelling of 12831003 in words is "twelve million, eight hundred thirty-one thousand, three".