3213132 has 48 divisors (see below), whose sum is σ = 8279040. Its totient is φ = 963648.

The previous prime is 3213131. The next prime is 3213137. The reversal of 3213132 is 2313123.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6469 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (172480).

Almost surely, 2^3213132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4139520).

3213132 is an abundant number, since it is smaller than the sum of its proper divisors (5065908).

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

3213132 is a wasteful number, since it uses less digits than its factorization.

3213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its digits is 108, while the sum is 15.

The square root of 3213132 is about 1792.5211295826. The cubic root of 3213132 is about 147.5625627543.

Adding to 3213132 its reverse (2313123), we get a palindrome (5526255).

Subtracting from 3213132 its reverse (2313123), we obtain a palindrome (900009).

The spelling of 3213132 in words is "three million, two hundred thirteen thousand, one hundred thirty-two".