12910287 has 16 divisors (see below), whose sum is σ = 18714080. Its totient is φ = 7869312.

The previous prime is 12910279. The next prime is 12910301. The reversal of 12910287 is 78201921.

It is not a de Polignac number, because 12910287 - 2³ = 12910279 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12910207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733 + ... + 5769.

It is an arithmetic number, because the mean of its divisors is an integer number (1169630).

Almost surely, 2^12910287 is an apocalyptic number.

12910287 is a deficient number, since it is larger than the sum of its proper divisors (5803793).

12910287 is a wasteful number, since it uses less digits than its factorization.

12910287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12910287 is about 3593.0887826493. The cubic root of 12910287 is about 234.5913344072.

The spelling of 12910287 in words is "twelve million, nine hundred ten thousand, two hundred eighty-seven".