12027757 has 4 divisors (see below), whose sum is σ = 13746016. Its totient is φ = 10309500.

The previous prime is 12027751. The next prime is 12027803. The reversal of 12027757 is 75772021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75772021 = 13 ⋅5828617.

It is a cyclic number.

It is not a de Polignac number, because 12027757 - 2³ = 12027749 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 (12027751) 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, 859119 + ... + 859132.

It is an arithmetic number, because the mean of its divisors is an integer number (3436504).

Almost surely, 2^12027757 is an apocalyptic number.

It is an amenable number.

12027757 is a deficient number, since it is larger than the sum of its proper divisors (1718259).

12027757 is an equidigital number, since it uses as much as digits as its factorization.

12027757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718258.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 12027757 is about 3468.1056788973. The cubic root of 12027757 is about 229.1192338782.

Adding to 12027757 its reverse (75772021), we get a palindrome (87799778).

The spelling of 12027757 in words is "twelve million, twenty-seven thousand, seven hundred fifty-seven".