9912369 has 4 divisors (see below), whose sum is σ = 13216496. Its totient is φ = 6608244.

The previous prime is 9912313. The next prime is 9912391. The reversal of 9912369 is 9632199.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9912369 - 2⁹ = 9911857 is a prime.

It is a super-2 number, since 2×9912369² = 196510118384322, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1652059 + ... + 1652064.

It is an arithmetic number, because the mean of its divisors is an integer number (3304124).

Almost surely, 2^9912369 is an apocalyptic number.

It is an amenable number.

9912369 is a deficient number, since it is larger than the sum of its proper divisors (3304127).

9912369 is a wasteful number, since it uses less digits than its factorization.

9912369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304126.

The product of its digits is 26244, while the sum is 39.

The square root of 9912369 is about 3148.3914940807. The cubic root of 9912369 is about 214.8123041893.

The spelling of 9912369 in words is "nine million, nine hundred twelve thousand, three hundred sixty-nine".