4512987 has 18 divisors (see below), whose sum is σ = 6689748. Its totient is φ = 2931672.

The previous prime is 4512971. The next prime is 4513021. The reversal of 4512987 is 7892154.

It is not a de Polignac number, because 4512987 - 2⁴ = 4512971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4512947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19768 + ... + 19994.

Almost surely, 2^4512987 is an apocalyptic number.

4512987 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4512987 is a deficient number, since it is larger than the sum of its proper divisors (2176761).

4512987 is a wasteful number, since it uses less digits than its factorization.

4512987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 277 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4512987 is about 2124.3792034380. The cubic root of 4512987 is about 165.2550326025.

The spelling of 4512987 in words is "four million, five hundred twelve thousand, nine hundred eighty-seven".