12273769 has 4 divisors (see below), whose sum is σ = 12282196. Its totient is φ = 12265344.

The previous prime is 12273761. The next prime is 12273773. The reversal of 12273769 is 96737221.

12273769 is digitally balanced in base 2, 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1795600 + 10478169 = 1340^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 12273769 - 2³ = 12273761 is a prime.

It is a super-2 number, since 2×12273769² = 301290810930722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12273761) 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, 1404 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (3070549).

It is a Poulet number, since it divides 2^12273768-1.

Almost surely, 2^12273769 is an apocalyptic number.

12273769 is the 1873-rd nonagonal number.

It is an amenable number.

12273769 is a deficient number, since it is larger than the sum of its proper divisors (8427).

12273769 is an equidigital number, since it uses as much as digits as its factorization.

12273769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426.

The product of its digits is 31752, while the sum is 37.

The square root of 12273769 is about 3503.3939258953. The cubic root of 12273769 is about 230.6708141394.

The spelling of 12273769 in words is "twelve million, two hundred seventy-three thousand, seven hundred sixty-nine".