3122687 has 6 divisors (see below), whose sum is σ = 3264912. Its totient is φ = 2986412.

The previous prime is 3122671. The next prime is 3122711. The reversal of 3122687 is 7862213.

It is a happy number.

It is not a de Polignac number, because 3122687 - 2⁴ = 3122671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2423 + ... + 3480.

It is an arithmetic number, because the mean of its divisors is an integer number (544152).

Almost surely, 2^3122687 is an apocalyptic number.

3122687 is a deficient number, since it is larger than the sum of its proper divisors (142225).

3122687 is an equidigital number, since it uses as much as digits as its factorization.

3122687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949 (or 5926 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 3122687 is about 1767.1126166716. The cubic root of 3122687 is about 146.1648073248.

It can be divided in two parts, 31226 and 87, that added together give a palindrome (31313).

The spelling of 3122687 in words is "three million, one hundred twenty-two thousand, six hundred eighty-seven".