13117775 has 12 divisors (see below), whose sum is σ = 17745144. Its totient is φ = 9540000.

The previous prime is 13117757. The next prime is 13117781. The reversal of 13117775 is 57771131.

13117775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13117775 - 2⁶ = 13117711 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 23576 + ... + 24125.

It is an arithmetic number, because the mean of its divisors is an integer number (1478762).

Almost surely, 2^13117775 is an apocalyptic number.

13117775 is a deficient number, since it is larger than the sum of its proper divisors (4627369).

13117775 is a wasteful number, since it uses less digits than its factorization.

13117775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47722 (or 47717 counting only the distinct ones).

The product of its digits is 5145, while the sum is 32.

The square root of 13117775 is about 3621.8469045502. The cubic root of 13117775 is about 235.8414081011.

The spelling of 13117775 in words is "thirteen million, one hundred seventeen thousand, seven hundred seventy-five".