12877189 has 8 divisors (see below), whose sum is σ = 14346360. Its totient is φ = 11476416.

The previous prime is 12877181. The next prime is 12877213. The reversal of 12877189 is 98177821.

It is a happy number.

12877189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1520289 + 11356900 = 1233^2 + 3370^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12877189 - 2³ = 12877181 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 (12877181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16702 + ... + 17455.

It is an arithmetic number, because the mean of its divisors is an integer number (1793295).

Almost surely, 2^12877189 is an apocalyptic number.

It is an amenable number.

12877189 is a deficient number, since it is larger than the sum of its proper divisors (1469171).

12877189 is a wasteful number, since it uses less digits than its factorization.

12877189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34199.

The product of its digits is 56448, while the sum is 43.

The square root of 12877189 is about 3588.4800403513. The cubic root of 12877189 is about 234.3906895334.

The spelling of 12877189 in words is "twelve million, eight hundred seventy-seven thousand, one hundred eighty-nine".