3212863 has 2 divisors, whose sum is σ = 3212864. Its totient is φ = 3212862.

The previous prime is 3212861. The next prime is 3212927. The reversal of 3212863 is 3682123.

3212863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3682123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3212863 - 2¹ = 3212861 is a prime.

Together with 3212861, it forms a pair of twin primes.

3212863 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212861) 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 as a sum of consecutive naturals, namely, 1606431 + 1606432.

It is an arithmetic number, because the mean of its divisors is an integer number (1606432).

Almost surely, 2^3212863 is an apocalyptic number.

3212863 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212863 is an equidigital number, since it uses as much as digits as its factorization.

3212863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 3212863 is about 1792.4460940291. The cubic root of 3212863 is about 147.5584447123.

Adding to 3212863 its reverse (3682123), we get a palindrome (6894986).

The spelling of 3212863 in words is "three million, two hundred twelve thousand, eight hundred sixty-three".