12716187 has 32 divisors (see below), whose sum is σ = 20632320. Its totient is φ = 6865920.

The previous prime is 12716177. The next prime is 12716233. The reversal of 12716187 is 78161721.

It is not a de Polignac number, because 12716187 - 2⁷ = 12716059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12716147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10063 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (644760).

Almost surely, 2^12716187 is an apocalyptic number.

12716187 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12716187 is a deficient number, since it is larger than the sum of its proper divisors (7916133).

12716187 is a wasteful number, since it uses less digits than its factorization.

12716187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 4704, while the sum is 33.

The square root of 12716187 is about 3565.9763039033. The cubic root of 12716187 is about 233.4097366576.

The spelling of 12716187 in words is "twelve million, seven hundred sixteen thousand, one hundred eighty-seven".