9912261 has 4 divisors (see below), whose sum is σ = 13216352. Its totient is φ = 6608172.

The previous prime is 9912257. The next prime is 9912269. The reversal of 9912261 is 1622199.

It is a happy number.

9912261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9912261 - 2² = 9912257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912269) 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, 1652041 + ... + 1652046.

It is an arithmetic number, because the mean of its divisors is an integer number (3304088).

Almost surely, 2^9912261 is an apocalyptic number.

It is an amenable number.

9912261 is a deficient number, since it is larger than the sum of its proper divisors (3304091).

9912261 is a wasteful number, since it uses less digits than its factorization.

9912261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304090.

The product of its digits is 1944, while the sum is 30.

The square root of 9912261 is about 3148.3743424186. The cubic root of 9912261 is about 214.8115240255.

The spelling of 9912261 in words is "nine million, nine hundred twelve thousand, two hundred sixty-one".