13030055 has 4 divisors (see below), whose sum is σ = 15636072. Its totient is φ = 10424040.

The previous prime is 13030051. The next prime is 13030079. The reversal of 13030055 is 55003031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13030055 - 2² = 13030051 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 (13030051) by changing a digit.

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, 1303001 + ... + 1303010.

It is an arithmetic number, because the mean of its divisors is an integer number (3909018).

Almost surely, 2^13030055 is an apocalyptic number.

13030055 is a deficient number, since it is larger than the sum of its proper divisors (2606017).

13030055 is an equidigital number, since it uses as much as digits as its factorization.

13030055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606016.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 13030055 is about 3609.7167478903. The cubic root of 13030055 is about 235.3145328058.

Adding to 13030055 its reverse (55003031), we get a palindrome (68033086).

The spelling of 13030055 in words is "thirteen million, thirty thousand, fifty-five".