12159877 has 2 divisors, whose sum is σ = 12159878. Its totient is φ = 12159876.

The previous prime is 12159863. The next prime is 12159881. The reversal of 12159877 is 77895121.

12159877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 829921 = 3366^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 12159877 - 2¹⁵ = 12127109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12159827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6079938 + 6079939.

It is an arithmetic number, because the mean of its divisors is an integer number (6079939).

Almost surely, 2^12159877 is an apocalyptic number.

It is an amenable number.

12159877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12159877 is an equidigital number, since it uses as much as digits as its factorization.

12159877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 40.

The square root of 12159877 is about 3487.1015184534. The cubic root of 12159877 is about 229.9551078105.

The spelling of 12159877 in words is "twelve million, one hundred fifty-nine thousand, eight hundred seventy-seven".