11288197 has 2 divisors, whose sum is σ = 11288198. Its totient is φ = 11288196.

The previous prime is 11288191. The next prime is 11288213. The reversal of 11288197 is 79188211.

11288197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9647236 + 1640961 = 3106^2 + 1281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11288197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11288191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644098 + 5644099.

It is an arithmetic number, because the mean of its divisors is an integer number (5644099).

Almost surely, 2^11288197 is an apocalyptic number.

It is an amenable number.

11288197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11288197 is an equidigital number, since it uses as much as digits as its factorization.

11288197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 37.

The square root of 11288197 is about 3359.7912137512. The cubic root of 11288197 is about 224.3235452550.

The spelling of 11288197 in words is "eleven million, two hundred eighty-eight thousand, one hundred ninety-seven".