13961417 has 2 divisors, whose sum is σ = 13961418. Its totient is φ = 13961416.

The previous prime is 13961411. The next prime is 13961509. The reversal of 13961417 is 71416931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 3721 = 3736^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 13961417 - 2⁴ = 13961401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13961411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6980708 + 6980709.

It is an arithmetic number, because the mean of its divisors is an integer number (6980709).

Almost surely, 2^13961417 is an apocalyptic number.

It is an amenable number.

13961417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13961417 is an equidigital number, since it uses as much as digits as its factorization.

13961417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 13961417 is about 3736.4979593197. The cubic root of 13961417 is about 240.7926167149.

The spelling of 13961417 in words is "thirteen million, nine hundred sixty-one thousand, four hundred seventeen".