11998297 has 2 divisors, whose sum is σ = 11998298. Its totient is φ = 11998296.

The previous prime is 11998223. The next prime is 11998303. The reversal of 11998297 is 79289911.

It is a happy number.

11998297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7901721 + 4096576 = 2811^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 11998297 - 2¹¹ = 11996249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11998697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999148 + 5999149.

It is an arithmetic number, because the mean of its divisors is an integer number (5999149).

Almost surely, 2^11998297 is an apocalyptic number.

It is an amenable number.

11998297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11998297 is an equidigital number, since it uses as much as digits as its factorization.

11998297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 46.

The square root of 11998297 is about 3463.8557995390. The cubic root of 11998297 is about 228.9320177297.

The spelling of 11998297 in words is "eleven million, nine hundred ninety-eight thousand, two hundred ninety-seven".