13031008 has 12 divisors (see below), whose sum is σ = 25654860. Its totient is φ = 6515488.

The previous prime is 13030999. The next prime is 13031009. The reversal of 13031008 is 80013031.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13030982 and 13031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203578 + ... + 203641.

It is an arithmetic number, because the mean of its divisors is an integer number (2137905).

Almost surely, 2^13031008 is an apocalyptic number.

It is an amenable number.

13031008 is a deficient number, since it is larger than the sum of its proper divisors (12623852).

13031008 is an equidigital number, since it uses as much as digits as its factorization.

13031008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407229 (or 407221 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13031008 is about 3609.8487502941. The cubic root of 13031008 is about 235.3202695246.

Adding to 13031008 its reverse (80013031), we get a palindrome (93044039).

The spelling of 13031008 in words is "thirteen million, thirty-one thousand, eight".