13130312 has 32 divisors (see below), whose sum is σ = 26671680. Its totient is φ = 6024000.

The previous prime is 13130297. The next prime is 13130317. The reversal of 13130312 is 21303131.

It is not an unprimeable number, because it can be changed into a prime (13130317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25853 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^13130312 is an apocalyptic number.

It is an amenable number.

13130312 is an abundant number, since it is smaller than the sum of its proper divisors (13541368).

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

13130312 is a wasteful number, since it uses less digits than its factorization.

13130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13130312 is about 3623.5772380343. The cubic root of 13130312 is about 235.9165174417.

Adding to 13130312 its reverse (21303131), we get a palindrome (34433443).

It can be divided in two parts, 1 and 3130312, that added together give a palindrome (3130313).

The spelling of 13130312 in words is "thirteen million, one hundred thirty thousand, three hundred twelve".