11698321 has 2 divisors, whose sum is σ = 11698322. Its totient is φ = 11698320.

The previous prime is 11698307. The next prime is 11698331. The reversal of 11698321 is 12389611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 5267025 = 2536^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 11698321 - 2⁵ = 11698289 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (11698331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849160 + 5849161.

It is an arithmetic number, because the mean of its divisors is an integer number (5849161).

Almost surely, 2^11698321 is an apocalyptic number.

It is an amenable number.

11698321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11698321 is an equidigital number, since it uses as much as digits as its factorization.

11698321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 11698321 is about 3420.2808364226. The cubic root of 11698321 is about 227.0080081529.

The spelling of 11698321 in words is "eleven million, six hundred ninety-eight thousand, three hundred twenty-one".