12273061 has 4 divisors (see below), whose sum is σ = 12696300. Its totient is φ = 11849824.

The previous prime is 12273059. The next prime is 12273077. The reversal of 12273061 is 16037221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16037221 = 1229 ⋅13049.

It can be written as a sum of positive squares in 2 ways, for example, as 7322436 + 4950625 = 2706^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 12273061 - 2¹ = 12273059 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 (12273091) 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 3 ways as a sum of consecutive naturals, for example, 211576 + ... + 211633.

It is an arithmetic number, because the mean of its divisors is an integer number (3174075).

Almost surely, 2^12273061 is an apocalyptic number.

It is an amenable number.

12273061 is a deficient number, since it is larger than the sum of its proper divisors (423239).

12273061 is an equidigital number, since it uses as much as digits as its factorization.

12273061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423238.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12273061 is about 3503.2928795635. The cubic root of 12273061 is about 230.6663787163. Note that the first 3 decimals are identical.

The spelling of 12273061 in words is "twelve million, two hundred seventy-three thousand, sixty-one".