2132787 has 4 divisors (see below), whose sum is σ = 2843720. Its totient is φ = 1421856.

The previous prime is 2132783. The next prime is 2132797. The reversal of 2132787 is 7872312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2132787 - 2² = 2132783 is a prime.

It is a D-number.

It is a Duffinian number.

2132787 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2132783) 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, 355462 + ... + 355467.

It is an arithmetic number, because the mean of its divisors is an integer number (710930).

2^2132787 is an apocalyptic number.

2132787 is a deficient number, since it is larger than the sum of its proper divisors (710933).

2132787 is an equidigital number, since it uses as much as digits as its factorization.

2132787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710932.

The product of its digits is 4704, while the sum is 30.

The square root of 2132787 is about 1460.4064502733. The cubic root of 2132787 is about 128.7209278627.

The spelling of 2132787 in words is "two million, one hundred thirty-two thousand, seven hundred eighty-seven".