13000066 has 8 divisors (see below), whose sum is σ = 20526480. Its totient is φ = 6157908.

The previous prime is 13000049. The next prime is 13000069. The reversal of 13000066 is 66000031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13000069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171016 + ... + 171091.

It is an arithmetic number, because the mean of its divisors is an integer number (2565810).

Almost surely, 2^13000066 is an apocalyptic number.

13000066 is a deficient number, since it is larger than the sum of its proper divisors (7526414).

13000066 is a wasteful number, since it uses less digits than its factorization.

13000066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342128.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13000066 is about 3605.5604280056. The cubic root of 13000066 is about 235.1338666896.

Adding to 13000066 its reverse (66000031), we get a palindrome (79000097).

The spelling of 13000066 in words is "thirteen million, sixty-six", and thus it is an aban number and an uban number.