2712239 has 2 divisors, whose sum is σ = 2712240.
Its totient is φ = 2712238.
The previous prime is 2712233. The next prime is 2712251. The reversal of 2712239 is 9322172.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2712239 - 24 = 2712223 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2712233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1356119 + 1356120.
It is an arithmetic number, because the mean of its divisors is an integer number (1356120).
22712239 is an apocalyptic number.
2712239 is a deficient number, since it is larger than the sum of its proper divisors (1).
2712239 is an equidigital number, since it uses as much as digits as its factorization.
2712239 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1512, while the sum is 26.
The square root of 2712239 is about 1646.8876707292.
The cubic root of 2712239 is about 139.4577493952.
The spelling of 2712239 in words is "two million, seven hundred twelve thousand, two hundred thirty-nine".