13055518 has 8 divisors (see below), whose sum is σ = 22380912. Its totient is φ = 5595216.

The previous prime is 13055509. The next prime is 13055533. The reversal of 13055518 is 81555031.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466255 + ... + 466282.

It is an arithmetic number, because the mean of its divisors is an integer number (2797614).

Almost surely, 2^13055518 is an apocalyptic number.

13055518 is a deficient number, since it is larger than the sum of its proper divisors (9325394).

13055518 is an equidigital number, since it uses as much as digits as its factorization.

13055518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932546.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 13055518 is about 3613.2420345169. The cubic root of 13055518 is about 235.4677149468.

The spelling of 13055518 in words is "thirteen million, fifty-five thousand, five hundred eighteen".