13366513 has 4 divisors (see below), whose sum is σ = 13446720. Its totient is φ = 13286308.

The previous prime is 13366447. The next prime is 13366517. The reversal of 13366513 is 31566331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31566331 = 17 ⋅1856843.

It is a cyclic number.

It is not a de Polignac number, because 13366513 - 2¹³ = 13358321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13366517) 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, 39853 + ... + 40186.

It is an arithmetic number, because the mean of its divisors is an integer number (3361680).

Almost surely, 2^13366513 is an apocalyptic number.

It is an amenable number.

13366513 is a deficient number, since it is larger than the sum of its proper divisors (80207).

13366513 is an equidigital number, since it uses as much as digits as its factorization.

13366513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80206.

The product of its digits is 4860, while the sum is 28.

The square root of 13366513 is about 3656.0242067032. The cubic root of 13366513 is about 237.3227515920.

The spelling of 13366513 in words is "thirteen million, three hundred sixty-six thousand, five hundred thirteen".