13405117 has 8 divisors (see below), whose sum is σ = 14650272. Its totient is φ = 12164400.

The previous prime is 13405111. The next prime is 13405123. The reversal of 13405117 is 71150431.

It is an interprime number because it is at equal distance from previous prime (13405111) and next prime (13405123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13405117 - 2¹¹ = 13403069 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 (13405111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11443 + ... + 12559.

It is an arithmetic number, because the mean of its divisors is an integer number (1831284).

Almost surely, 2^13405117 is an apocalyptic number.

It is an amenable number.

13405117 is a deficient number, since it is larger than the sum of its proper divisors (1245155).

13405117 is a wasteful number, since it uses less digits than its factorization.

13405117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 13405117 is about 3661.2999057712. The cubic root of 13405117 is about 237.5510036352.

Adding to 13405117 its reverse (71150431), we get a palindrome (84555548).

The spelling of 13405117 in words is "thirteen million, four hundred five thousand, one hundred seventeen".