4212287 has 2 divisors, whose sum is σ = 4212288. Its totient is φ = 4212286.

The previous prime is 4212283. The next prime is 4212317. The reversal of 4212287 is 7822124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4212287 - 2² = 4212283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106143 + 2106144.

It is an arithmetic number, because the mean of its divisors is an integer number (2106144).

Almost surely, 2^4212287 is an apocalyptic number.

4212287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212287 is an equidigital number, since it uses as much as digits as its factorization.

4212287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 26.

The square root of 4212287 is about 2052.3856850017. The cubic root of 4212287 is about 161.5000463278.

The spelling of 4212287 in words is "four million, two hundred twelve thousand, two hundred eighty-seven".