3213287 has 16 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 2415840.

The previous prime is 3213283. The next prime is 3213349. The reversal of 3213287 is 7823123.

It is not a de Polignac number, because 3213287 - 2² = 3213283 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 (3213281) 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, 1514 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^3213287 is an apocalyptic number.

3213287 is a deficient number, since it is larger than the sum of its proper divisors (933913).

3213287 is a wasteful number, since it uses less digits than its factorization.

3213287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its digits is 2016, while the sum is 26.

The square root of 3213287 is about 1792.5643642559. The cubic root of 3213287 is about 147.5649354993.

The spelling of 3213287 in words is "three million, two hundred thirteen thousand, two hundred eighty-seven".