4212643 has 4 divisors (see below), whose sum is σ = 4272048. Its totient is φ = 4153240.

The previous prime is 4212641. The next prime is 4212647. The reversal of 4212643 is 3462124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4212643 - 2¹ = 4212641 is a prime.

It is a super-2 number, since 2×4212643² = 35492722090898, which contains 22 as substring.

It is a Duffinian number.

4212643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4212641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29596 + ... + 29737.

It is an arithmetic number, because the mean of its divisors is an integer number (1068012).

Almost surely, 2^4212643 is an apocalyptic number.

4212643 is a deficient number, since it is larger than the sum of its proper divisors (59405).

4212643 is an equidigital number, since it uses as much as digits as its factorization.

4212643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59404.

The product of its digits is 1152, while the sum is 22.

The square root of 4212643 is about 2052.4724115076. The cubic root of 4212643 is about 161.5045959067.

Adding to 4212643 its reverse (3462124), we get a palindrome (7674767).

The spelling of 4212643 in words is "four million, two hundred twelve thousand, six hundred forty-three".