12933187 has 4 divisors (see below), whose sum is σ = 12944016. Its totient is φ = 12922360.

The previous prime is 12933161. The next prime is 12933203. The reversal of 12933187 is 78133921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12933187 - 2¹⁹ = 12408899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12933127) 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, 3364 + ... + 6097.

It is an arithmetic number, because the mean of its divisors is an integer number (3236004).

Almost surely, 2^12933187 is an apocalyptic number.

12933187 is a deficient number, since it is larger than the sum of its proper divisors (10829).

12933187 is an equidigital number, since it uses as much as digits as its factorization.

12933187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10828.

The product of its digits is 9072, while the sum is 34.

The square root of 12933187 is about 3596.2740440628. The cubic root of 12933187 is about 234.7299568962.

The spelling of 12933187 in words is "twelve million, nine hundred thirty-three thousand, one hundred eighty-seven".