13005266 has 4 divisors (see below), whose sum is σ = 19507902. Its totient is φ = 6502632.

The previous prime is 13005263. The next prime is 13005269. The reversal of 13005266 is 66250031.

13005266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66250031 = 1187 ⋅55813.

It is an interprime number because it is at equal distance from previous prime (13005263) and next prime (13005269).

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 1274641 = 3425^2 + 1129^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13005263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251315 + ... + 3251318.

Almost surely, 2^13005266 is an apocalyptic number.

13005266 is a deficient number, since it is larger than the sum of its proper divisors (6502636).

13005266 is an equidigital number, since it uses as much as digits as its factorization.

13005266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502635.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13005266 is about 3606.2814643341. The cubic root of 13005266 is about 235.1652135335.

Adding to 13005266 its reverse (66250031), we get a palindrome (79255297).

The spelling of 13005266 in words is "thirteen million, five thousand, two hundred sixty-six".