18696017 has 2 divisors, whose sum is σ = 18696018. Its totient is φ = 18696016.

The previous prime is 18696011. The next prime is 18696023. The reversal of 18696017 is 71069681.

It is a balanced prime because it is at equal distance from previous prime (18696011) and next prime (18696023).

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 5764801 = 3596^2 + 2401^2 .

It is an emirp because it is prime and its reverse (71069681) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18696017 - 2⁶ = 18695953 is a prime.

It is not a weakly prime, because it can be changed into another prime (18696011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9348008 + 9348009.

It is an arithmetic number, because the mean of its divisors is an integer number (9348009).

Almost surely, 2^18696017 is an apocalyptic number.

It is an amenable number.

18696017 is a deficient number, since it is larger than the sum of its proper divisors (1).

18696017 is an equidigital number, since it uses as much as digits as its factorization.

18696017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 18696017 is about 4323.8891058860. The cubic root of 18696017 is about 265.4094394543.

The spelling of 18696017 in words is "eighteen million, six hundred ninety-six thousand, seventeen".