3213056 has 72 divisors (see below), whose sum is σ = 8045184. Its totient is φ = 1244160.

The previous prime is 3213029. The next prime is 3213059. The reversal of 3213056 is 6503123.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631 + ... + 19793.

Almost surely, 2^3213056 is an apocalyptic number.

It is a pronic number, being equal to 1792×1793.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4022592).

3213056 is an abundant number, since it is smaller than the sum of its proper divisors (4832128).

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

3213056 is a wasteful number, since it uses less digits than its factorization.

3213056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3213056 is about 1792.4999302650. The cubic root of 3213056 is about 147.5613993159.

Adding to 3213056 its reverse (6503123), we get a palindrome (9716179).

The spelling of 3213056 in words is "three million, two hundred thirteen thousand, fifty-six".