13113455 has 4 divisors (see below), whose sum is σ = 15736152. Its totient is φ = 10490760.

The previous prime is 13113431. The next prime is 13113467. The reversal of 13113455 is 55431131.

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

It is not a de Polignac number, because 13113455 - 2⁶ = 13113391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13113455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311341 + ... + 1311350.

It is an arithmetic number, because the mean of its divisors is an integer number (3934038).

Almost surely, 2^13113455 is an apocalyptic number.

13113455 is a deficient number, since it is larger than the sum of its proper divisors (2622697).

13113455 is an equidigital number, since it uses as much as digits as its factorization.

13113455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622696.

The product of its digits is 900, while the sum is 23.

The square root of 13113455 is about 3621.2504746289. The cubic root of 13113455 is about 235.8155158355.

Adding to 13113455 its reverse (55431131), we get a palindrome (68544586).

The spelling of 13113455 in words is "thirteen million, one hundred thirteen thousand, four hundred fifty-five".