13066013 has 4 divisors (see below), whose sum is σ = 13834620. Its totient is φ = 12297408.

The previous prime is 13065991. The next prime is 13066049. The reversal of 13066013 is 31066031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31066031 = 23 ⋅1350697.

It can be written as a sum of positive squares in 2 ways, for example, as 11142244 + 1923769 = 3338^2 + 1387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13066013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384278 + ... + 384311.

It is an arithmetic number, because the mean of its divisors is an integer number (3458655).

Almost surely, 2^13066013 is an apocalyptic number.

It is an amenable number.

13066013 is a deficient number, since it is larger than the sum of its proper divisors (768607).

13066013 is an equidigital number, since it uses as much as digits as its factorization.

13066013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768606.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13066013 is about 3614.6940396111. The cubic root of 13066013 is about 235.5307935566.

The spelling of 13066013 in words is "thirteen million, sixty-six thousand, thirteen".