13060666 has 4 divisors (see below), whose sum is σ = 19591002. Its totient is φ = 6530332.

The previous prime is 13060651. The next prime is 13060681. The reversal of 13060666 is 66606031.

13060666 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.

It is an interprime number because it is at equal distance from previous prime (13060651) and next prime (13060681).

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 4818025 = 2871^2 + 2195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265165 + ... + 3265168.

Almost surely, 2^13060666 is an apocalyptic number.

13060666 is a deficient number, since it is larger than the sum of its proper divisors (6530336).

13060666 is an equidigital number, since it uses as much as digits as its factorization.

13060666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530335.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13060666 is about 3613.9543439285. The cubic root of 13060666 is about 235.4986604444.

Adding to 13060666 its reverse (66606031), we get a palindrome (79666697).

The spelling of 13060666 in words is "thirteen million, sixty thousand, six hundred sixty-six".