11791197 has 48 divisors (see below), whose sum is σ = 20260800. Its totient is φ = 6713280.

The previous prime is 11791193. The next prime is 11791201. The reversal of 11791197 is 79119711.

It is an interprime number because it is at equal distance from previous prime (11791193) and next prime (11791201).

It is not a de Polignac number, because 11791197 - 2² = 11791193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11791193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318663 + ... + 318699.

It is an arithmetic number, because the mean of its divisors is an integer number (422100).

Almost surely, 2^11791197 is an apocalyptic number.

It is an amenable number.

11791197 is a deficient number, since it is larger than the sum of its proper divisors (8469603).

11791197 is a wasteful number, since it uses less digits than its factorization.

11791197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 80 counting only the distinct ones).

The product of its digits is 3969, while the sum is 36.

The square root of 11791197 is about 3433.8312422133. The cubic root of 11791197 is about 227.6071837248.

The spelling of 11791197 in words is "eleven million, seven hundred ninety-one thousand, one hundred ninety-seven".