3123693 has 12 divisors (see below), whose sum is σ = 4527900. Its totient is φ = 2075136.

The previous prime is 3123689. The next prime is 3123709. The reversal of 3123693 is 3963213.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 2196324 = 963^2 + 1482^2 .

It is not a de Polignac number, because 3123693 - 2² = 3123689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3655 + ... + 4427.

It is an arithmetic number, because the mean of its divisors is an integer number (377325).

Almost surely, 2^3123693 is an apocalyptic number.

It is an amenable number.

3123693 is a deficient number, since it is larger than the sum of its proper divisors (1404207).

3123693 is a wasteful number, since it uses less digits than its factorization.

3123693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1225 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 3123693 is about 1767.3972388798. The cubic root of 3123693 is about 146.1805017154.

It can be divided in two parts, 31236 and 93, that added together give a square (31329 = 177²).

The spelling of 3123693 in words is "three million, one hundred twenty-three thousand, six hundred ninety-three".