9912199 has 6 divisors (see below), whose sum is σ = 10895360. Its totient is φ = 9010980.

The previous prime is 9912169. The next prime is 9912211.

9912199 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9912199 - 2¹⁷ = 9781127 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 (9912169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40839 + ... + 41080.

Almost surely, 2^9912199 is an apocalyptic number.

9912199 is a deficient number, since it is larger than the sum of its proper divisors (983161).

9912199 is a wasteful number, since it uses less digits than its factorization.

9912199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81941 (or 81930 counting only the distinct ones).

The product of its digits is 13122, while the sum is 40.

The square root of 9912199 is about 3148.3644960519. The cubic root of 9912199 is about 214.8110761512.

The spelling of 9912199 in words is "nine million, nine hundred twelve thousand, one hundred ninety-nine".