13055513 has 4 divisors (see below), whose sum is σ = 13623168. Its totient is φ = 12487860.

The previous prime is 13055509. The next prime is 13055533. The reversal of 13055513 is 31555031.

13055513 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13055513 - 2² = 13055509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 567631 = 13055513 / (1 + 3 + 0 + 5 + 5 + 5 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13055533) 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, 283793 + ... + 283838.

It is an arithmetic number, because the mean of its divisors is an integer number (3405792).

Almost surely, 2^13055513 is an apocalyptic number.

It is an amenable number.

13055513 is a deficient number, since it is larger than the sum of its proper divisors (567655).

13055513 is an equidigital number, since it uses as much as digits as its factorization.

13055513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567654.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 13055513 is about 3613.2413426175. The cubic root of 13055513 is about 235.4676848870.

The spelling of 13055513 in words is "thirteen million, fifty-five thousand, five hundred thirteen".