2712506 has 4 divisors (see below), whose sum is σ = 4068762. Its totient is φ = 1356252.

The previous prime is 2712491. The next prime is 2712517. The reversal of 2712506 is 6052172.

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

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 477481 = 1495^2 + 691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678125 + ... + 678128.

2^2712506 is an apocalyptic number.

2712506 is a deficient number, since it is larger than the sum of its proper divisors (1356256).

2712506 is a wasteful number, since it uses less digits than its factorization.

2712506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356255.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2712506 is about 1646.9687307293. The cubic root of 2712506 is about 139.4623254420.

Adding to 2712506 its reverse (6052172), we get a palindrome (8764678).

The spelling of 2712506 in words is "two million, seven hundred twelve thousand, five hundred six".