12803031 has 24 divisors (see below), whose sum is σ = 19310720. Its totient is φ = 8164800.

The previous prime is 12803009. The next prime is 12803033. The reversal of 12803031 is 13030821.

It is not a de Polignac number, because 12803031 - 2¹⁷ = 12671959 is a prime.

It is a super-2 number, since 2×12803031² = 327835205573922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12802995 and 12803013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30201 + ... + 30621.

Almost surely, 2^12803031 is an apocalyptic number.

12803031 is a deficient number, since it is larger than the sum of its proper divisors (6507689).

12803031 is a wasteful number, since it uses less digits than its factorization.

12803031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 564 counting only the distinct ones).

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

The square root of 12803031 is about 3578.1323340536. The cubic root of 12803031 is about 233.9398815535.

Adding to 12803031 its reverse (13030821), we get a palindrome (25833852).

The spelling of 12803031 in words is "twelve million, eight hundred three thousand, thirty-one".