11922197 has 8 divisors (see below), whose sum is σ = 14065152. Its totient is φ = 9889200.

The previous prime is 11922193. The next prime is 11922221. The reversal of 11922197 is 79122911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11922197 - 2² = 11922193 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 (11922193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27254 + ... + 27687.

It is an arithmetic number, because the mean of its divisors is an integer number (1758144).

Almost surely, 2^11922197 is an apocalyptic number.

It is an amenable number.

11922197 is a deficient number, since it is larger than the sum of its proper divisors (2142955).

11922197 is an equidigital number, since it uses as much as digits as its factorization.

11922197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54979.

The product of its digits is 2268, while the sum is 32.

The square root of 11922197 is about 3452.8534576492. The cubic root of 11922197 is about 228.4469852925.

The spelling of 11922197 in words is "eleven million, nine hundred twenty-two thousand, one hundred ninety-seven".