12884187 has 4 divisors (see below), whose sum is σ = 17178920. Its totient is φ = 8589456.

The previous prime is 12884171. The next prime is 12884197. The reversal of 12884187 is 78148821.

It is a happy number.

12884187 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78148821 = 3 ⋅26049607.

It is not a de Polignac number, because 12884187 - 2⁴ = 12884171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12884197) 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, 2147362 + ... + 2147367.

It is an arithmetic number, because the mean of its divisors is an integer number (4294730).

Almost surely, 2^12884187 is an apocalyptic number.

12884187 is a deficient number, since it is larger than the sum of its proper divisors (4294733).

12884187 is an equidigital number, since it uses as much as digits as its factorization.

12884187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294732.

The product of its digits is 28672, while the sum is 39.

The square root of 12884187 is about 3589.4549725550. The cubic root of 12884187 is about 234.4331410603.

The spelling of 12884187 in words is "twelve million, eight hundred eighty-four thousand, one hundred eighty-seven".