11197797 has 32 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 6535680.

The previous prime is 11197793. The next prime is 11197801. The reversal of 11197797 is 79779111.

It is an interprime number because it is at equal distance from previous prime (11197793) and next prime (11197801).

It is not a de Polignac number, because 11197797 - 2² = 11197793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75079 + ... + 75227.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^11197797 is an apocalyptic number.

It is an amenable number.

11197797 is a deficient number, since it is larger than the sum of its proper divisors (5736603).

11197797 is a wasteful number, since it uses less digits than its factorization.

11197797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its digits is 27783, while the sum is 42.

The square root of 11197797 is about 3346.3109538714. The cubic root of 11197797 is about 223.7231179797.

The spelling of 11197797 in words is "eleven million, one hundred ninety-seven thousand, seven hundred ninety-seven".