13116955 has 4 divisors (see below), whose sum is σ = 15740352. Its totient is φ = 10493560.

The previous prime is 13116953. The next prime is 13116959. The reversal of 13116955 is 55961131.

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

It is not a de Polignac number, because 13116955 - 2¹ = 13116953 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13116953) 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, 1311691 + ... + 1311700.

It is an arithmetic number, because the mean of its divisors is an integer number (3935088).

Almost surely, 2^13116955 is an apocalyptic number.

13116955 is a deficient number, since it is larger than the sum of its proper divisors (2623397).

13116955 is an equidigital number, since it uses as much as digits as its factorization.

13116955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623396.

The product of its digits is 4050, while the sum is 31.

The square root of 13116955 is about 3621.7337008676. The cubic root of 13116955 is about 235.8364938027.

The spelling of 13116955 in words is "thirteen million, one hundred sixteen thousand, nine hundred fifty-five".