11908197 has 12 divisors (see below), whose sum is σ = 19658080. Its totient is φ = 6804648.

The previous prime is 11908189. The next prime is 11908213. The reversal of 11908197 is 79180911.

It is not a de Polignac number, because 11908197 - 2³ = 11908189 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 (11908157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94447 + ... + 94572.

Almost surely, 2^11908197 is an apocalyptic number.

It is an amenable number.

11908197 is a deficient number, since it is larger than the sum of its proper divisors (7749883).

11908197 is a wasteful number, since it uses less digits than its factorization.

11908197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189032 (or 189029 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 11908197 is about 3450.8255534002. The cubic root of 11908197 is about 228.3575300102.

The spelling of 11908197 in words is "eleven million, nine hundred eight thousand, one hundred ninety-seven".