3123706 has 8 divisors (see below), whose sum is σ = 4847220. Its totient is φ = 1507968.

The previous prime is 3123689. The next prime is 3123709. The reversal of 3123706 is 6073213.

It can be written as a sum of positive squares in 2 ways, for example, as 3080025 + 43681 = 1755^2 + 209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123709) 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, 26871 + ... + 26986.

Almost surely, 2^3123706 is an apocalyptic number.

3123706 is a deficient number, since it is larger than the sum of its proper divisors (1723514).

3123706 is a wasteful number, since it uses less digits than its factorization.

3123706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53888.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3123706 is about 1767.4009166004. The cubic root of 3123706 is about 146.1807045036.

Adding to 3123706 its reverse (6073213), we get a palindrome (9196919).

The spelling of 3123706 in words is "three million, one hundred twenty-three thousand, seven hundred six".