12277123 has 4 divisors (see below), whose sum is σ = 12292000. Its totient is φ = 12262248.

The previous prime is 12277061. The next prime is 12277127. The reversal of 12277123 is 32177221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12277123 - 2¹⁷ = 12146051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12277127) 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, 6123 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (3073000).

Almost surely, 2^12277123 is an apocalyptic number.

12277123 is a deficient number, since it is larger than the sum of its proper divisors (14877).

12277123 is an equidigital number, since it uses as much as digits as its factorization.

12277123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14876.

The product of its digits is 1176, while the sum is 25.

The square root of 12277123 is about 3503.8725718839. The cubic root of 12277123 is about 230.6918236992.

The spelling of 12277123 in words is "twelve million, two hundred seventy-seven thousand, one hundred twenty-three".