13130266 has 4 divisors (see below), whose sum is σ = 19695402. Its totient is φ = 6565132.

The previous prime is 13130251. The next prime is 13130297. The reversal of 13130266 is 66203131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66203131 = 23 ⋅2878397.

It can be written as a sum of positive squares in only one way, i.e., 12752041 + 378225 = 3571^2 + 615^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282565 + ... + 3282568.

Almost surely, 2^13130266 is an apocalyptic number.

13130266 is a deficient number, since it is larger than the sum of its proper divisors (6565136).

13130266 is an equidigital number, since it uses as much as digits as its factorization.

13130266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565135.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13130266 is about 3623.5708907099. The cubic root of 13130266 is about 235.9162419424.

Adding to 13130266 its reverse (66203131), we get a palindrome (79333397).

The spelling of 13130266 in words is "thirteen million, one hundred thirty thousand, two hundred sixty-six".