12828087 has 6 divisors (see below), whose sum is σ = 18529472. Its totient is φ = 8552052.

The previous prime is 12828083. The next prime is 12828091. The reversal of 12828087 is 78082821.

It is an interprime number because it is at equal distance from previous prime (12828083) and next prime (12828091).

It is not a de Polignac number, because 12828087 - 2² = 12828083 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 (12828083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712663 + ... + 712680.

Almost surely, 2^12828087 is an apocalyptic number.

12828087 is a deficient number, since it is larger than the sum of its proper divisors (5701385).

12828087 is a wasteful number, since it uses less digits than its factorization.

12828087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425349 (or 1425346 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 12828087 is about 3581.6318906331. The cubic root of 12828087 is about 234.0923917426.

The spelling of 12828087 in words is "twelve million, eight hundred twenty-eight thousand, eighty-seven".