12077126 has 4 divisors (see below), whose sum is σ = 18115692. Its totient is φ = 6038562.

The previous prime is 12077077. The next prime is 12077129. The reversal of 12077126 is 62177021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62177021 = 1499 ⋅41479.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12077095 and 12077104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12077129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3019280 + ... + 3019283.

It is an arithmetic number, because the mean of its divisors is an integer number (4528923).

Almost surely, 2^12077126 is an apocalyptic number.

12077126 is a deficient number, since it is larger than the sum of its proper divisors (6038566).

12077126 is an equidigital number, since it uses as much as digits as its factorization.

12077126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038565.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 12077126 is about 3475.2159645121. The cubic root of 12077126 is about 229.4322860528.

The spelling of 12077126 in words is "twelve million, seventy-seven thousand, one hundred twenty-six".