11198797 has 4 divisors (see below), whose sum is σ = 11284416. Its totient is φ = 11113180.

The previous prime is 11198749. The next prime is 11198819. The reversal of 11198797 is 79789111.

11198797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79789111 = 5827 ⋅13693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11198797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42613 + ... + 42874.

It is an arithmetic number, because the mean of its divisors is an integer number (2821104).

Almost surely, 2^11198797 is an apocalyptic number.

It is an amenable number.

11198797 is a deficient number, since it is larger than the sum of its proper divisors (85619).

11198797 is an equidigital number, since it uses as much as digits as its factorization.

11198797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85618.

The product of its digits is 31752, while the sum is 43.

The square root of 11198797 is about 3346.4603688076. The cubic root of 11198797 is about 223.7297775176.

The spelling of 11198797 in words is "eleven million, one hundred ninety-eight thousand, seven hundred ninety-seven".