12087877 has 2 divisors, whose sum is σ = 12087878. Its totient is φ = 12087876.

The previous prime is 12087847. The next prime is 12087899. The reversal of 12087877 is 77878021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7568001 + 4519876 = 2751^2 + 2126^2 .

It is a cyclic number.

It is not a de Polignac number, because 12087877 - 2⁷ = 12087749 is a prime.

It is a super-2 number, since 2×12087877² = 292233540734258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12087847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043938 + 6043939.

It is an arithmetic number, because the mean of its divisors is an integer number (6043939).

Almost surely, 2^12087877 is an apocalyptic number.

It is an amenable number.

12087877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12087877 is an equidigital number, since it uses as much as digits as its factorization.

12087877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 12087877 is about 3476.7624307680. The cubic root of 12087877 is about 229.5003457038.

The spelling of 12087877 in words is "twelve million, eighty-seven thousand, eight hundred seventy-seven".