2712439 has 4 divisors (see below), whose sum is σ = 2722720. Its totient is φ = 2702160.

The previous prime is 2712431. The next prime is 2712443. The reversal of 2712439 is 9342172.

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

It is a cyclic number.

It is not a de Polignac number, because 2712439 - 2³ = 2712431 is a prime.

It is a Duffinian number.

2712439 is a modest number, since divided by 2439 gives 271 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2712431) 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 3 ways as a sum of consecutive naturals, for example, 4734 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (680680).

2^2712439 is an apocalyptic number.

2712439 is a deficient number, since it is larger than the sum of its proper divisors (10281).

2712439 is a wasteful number, since it uses less digits than its factorization.

2712439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10280.

The product of its digits is 3024, while the sum is 28.

The square root of 2712439 is about 1646.9483902054. The cubic root of 2712439 is about 139.4611771738.

It can be divided in two parts, 271 and 2439, that multiplied together give a square (660969 = 813²).

The spelling of 2712439 in words is "two million, seven hundred twelve thousand, four hundred thirty-nine".