13601117 has 2 divisors, whose sum is σ = 13601118. Its totient is φ = 13601116.

The previous prime is 13601113. The next prime is 13601123. The reversal of 13601117 is 71110631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 3290596 = 3211^2 + 1814^2 .

It is an emirp because it is prime and its reverse (71110631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13601117 - 2² = 13601113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13601111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800558 + 6800559.

It is an arithmetic number, because the mean of its divisors is an integer number (6800559).

Almost surely, 2^13601117 is an apocalyptic number.

It is an amenable number.

13601117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13601117 is an equidigital number, since it uses as much as digits as its factorization.

13601117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 13601117 is about 3687.9692243835. The cubic root of 13601117 is about 238.7031731121.

Adding to 13601117 its reverse (71110631), we get a palindrome (84711748).

The spelling of 13601117 in words is "thirteen million, six hundred one thousand, one hundred seventeen".