13040117 has 2 divisors, whose sum is σ = 13040118. Its totient is φ = 13040116.

The previous prime is 13040107. The next prime is 13040123. The reversal of 13040117 is 71104031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12716356 + 323761 = 3566^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 13040117 - 2⁴ = 13040101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13040095 and 13040104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13040107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520058 + 6520059.

It is an arithmetic number, because the mean of its divisors is an integer number (6520059).

Almost surely, 2^13040117 is an apocalyptic number.

It is an amenable number.

13040117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13040117 is an equidigital number, since it uses as much as digits as its factorization.

13040117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 13040117 is about 3611.1102170939. The cubic root of 13040117 is about 235.3750883349.

Adding to 13040117 its reverse (71104031), we get a palindrome (84144148).

The spelling of 13040117 in words is "thirteen million, forty thousand, one hundred seventeen".