13481417 has 2 divisors, whose sum is σ = 13481418. Its totient is φ = 13481416.

The previous prime is 13481407. The next prime is 13481443. The reversal of 13481417 is 71418431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 978121 = 3536^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 13481417 - 2⁴ = 13481401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13481417.

It is not a weakly prime, because it can be changed into another prime (13481407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740708 + 6740709.

It is an arithmetic number, because the mean of its divisors is an integer number (6740709).

Almost surely, 2^13481417 is an apocalyptic number.

It is an amenable number.

13481417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13481417 is an equidigital number, since it uses as much as digits as its factorization.

13481417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 13481417 is about 3671.7049173374. The cubic root of 13481417 is about 238.0008532794. Note that the first 3 decimals are identical.

Adding to 13481417 its reverse (71418431), we get a palindrome (84899848).

The spelling of 13481417 in words is "thirteen million, four hundred eighty-one thousand, four hundred seventeen".