11192897 has 2 divisors, whose sum is σ = 11192898. Its totient is φ = 11192896.

The previous prime is 11192873. The next prime is 11192939. The reversal of 11192897 is 79829111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 591361 = 3256^2 + 769^2 .

It is an emirp because it is prime and its reverse (79829111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11192897 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11192897.

It is not a weakly prime, because it can be changed into another prime (11192807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5596448 + 5596449.

It is an arithmetic number, because the mean of its divisors is an integer number (5596449).

Almost surely, 2^11192897 is an apocalyptic number.

It is an amenable number.

11192897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11192897 is an equidigital number, since it uses as much as digits as its factorization.

11192897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 38.

The square root of 11192897 is about 3345.5787242269. The cubic root of 11192897 is about 223.6904805119.

The spelling of 11192897 in words is "eleven million, one hundred ninety-two thousand, eight hundred ninety-seven".