13130512 has 10 divisors (see below), whose sum is σ = 25440398. Its totient is φ = 6565248.

The previous prime is 13130503. The next prime is 13130519. The reversal of 13130512 is 21503131.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 1597696 = 3396^2 + 1264^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 820657 = 13130512 / (1 + 3 + 1 + 3 + 0 + 5 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (13130519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410313 + ... + 410344.

Almost surely, 2^13130512 is an apocalyptic number.

It is an amenable number.

13130512 is a deficient number, since it is larger than the sum of its proper divisors (12309886).

13130512 is an equidigital number, since it uses as much as digits as its factorization.

13130512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820665 (or 820659 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13130512 is about 3623.6048349675. The cubic root of 13130512 is about 235.9177152569.

Adding to 13130512 its reverse (21503131), we get a palindrome (34633643).

The spelling of 13130512 in words is "thirteen million, one hundred thirty thousand, five hundred twelve".