3213126 has 36 divisors (see below), whose sum is σ = 8100612. Its totient is φ = 917784.

The previous prime is 3213101. The next prime is 3213127. The reversal of 3213126 is 6213123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3213099 and 3213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213127) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 940 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (225017).

Almost surely, 2^3213126 is an apocalyptic number.

3213126 is an abundant number, since it is smaller than the sum of its proper divisors (4887486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213126 is a wasteful number, since it uses less digits than its factorization.

3213126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3655 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 3213126 is about 1792.5194559614. The cubic root of 3213126 is about 147.5624709045.

Adding to 3213126 its reverse (6213123), we get a palindrome (9426249).

The spelling of 3213126 in words is "three million, two hundred thirteen thousand, one hundred twenty-six".