4312705 has 4 divisors (see below), whose sum is σ = 5175252. Its totient is φ = 3450160.

The previous prime is 4312703. The next prime is 4312727. The reversal of 4312705 is 5072134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5072134 = 2 ⋅2536067.

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 2509056 = 1343^2 + 1584^2 .

It is not a de Polignac number, because 4312705 - 2¹ = 4312703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4312703) 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, 431266 + ... + 431275.

It is an arithmetic number, because the mean of its divisors is an integer number (1293813).

Almost surely, 2^4312705 is an apocalyptic number.

It is an amenable number.

4312705 is a deficient number, since it is larger than the sum of its proper divisors (862547).

4312705 is an equidigital number, since it uses as much as digits as its factorization.

4312705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862546.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4312705 is about 2076.7053233427. The cubic root of 4312705 is about 162.7733309167.

Adding to 4312705 its reverse (5072134), we get a palindrome (9384839).

It can be divided in two parts, 431 and 2705, that added together give a square (3136 = 56²).

The spelling of 4312705 in words is "four million, three hundred twelve thousand, seven hundred five".