12730008 has 64 divisors (see below), whose sum is σ = 34564320. Its totient is φ = 3891200.

The previous prime is 12730007. The next prime is 12730013. The reversal of 12730008 is 80003721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730007) 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 in 15 ways as a sum of consecutive naturals, for example, 16348 + ... + 17108.

Almost surely, 2^12730008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12730008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17282160).

12730008 is an abundant number, since it is smaller than the sum of its proper divisors (21834312).

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

12730008 is a wasteful number, since it uses less digits than its factorization.

12730008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12730008 is about 3567.9136760858. The cubic root of 12730008 is about 233.4942690186.

Adding to 12730008 its reverse (80003721), we get a palindrome (92733729).

It can be divided in two parts, 127 and 30008, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 12730008 in words is "twelve million, seven hundred thirty thousand, eight".