3213237 has 8 divisors (see below), whose sum is σ = 4292704. Its totient is φ = 2137968.

The previous prime is 3213233. The next prime is 3213239. The reversal of 3213237 is 7323123.

3213237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3213237 - 2² = 3213233 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 (3213233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (536588).

Almost surely, 2^3213237 is an apocalyptic number.

It is an amenable number.

3213237 is a deficient number, since it is larger than the sum of its proper divisors (1079467).

3213237 is a wasteful number, since it uses less digits than its factorization.

3213237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its digits is 756, while the sum is 21.

The square root of 3213237 is about 1792.5504177010. The cubic root of 3213237 is about 147.5641701060.

The spelling of 3213237 in words is "three million, two hundred thirteen thousand, two hundred thirty-seven".