13117741 has 12 divisors (see below), whose sum is σ = 16434012. Its totient is φ = 10378368.

The previous prime is 13117739. The next prime is 13117757. The reversal of 13117741 is 14771131.

It can be written as a sum of positive squares in 2 ways, for example, as 8037225 + 5080516 = 2835^2 + 2254^2 .

It is not a de Polignac number, because 13117741 - 2¹ = 13117739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9660 + ... + 10933.

It is an arithmetic number, because the mean of its divisors is an integer number (1369501).

Almost surely, 2^13117741 is an apocalyptic number.

It is an amenable number.

13117741 is a deficient number, since it is larger than the sum of its proper divisors (3316271).

13117741 is a wasteful number, since it uses less digits than its factorization.

13117741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620 (or 20613 counting only the distinct ones).

The product of its digits is 588, while the sum is 25.

The square root of 13117741 is about 3621.8422108093. The cubic root of 13117741 is about 235.8412043416.

Adding to 13117741 its reverse (14771131), we get a palindrome (27888872).

The spelling of 13117741 in words is "thirteen million, one hundred seventeen thousand, seven hundred forty-one".