4212845 has 32 divisors (see below), whose sum is σ = 6386688. Its totient is φ = 2596608.

The previous prime is 4212827. The next prime is 4212847. The reversal of 4212845 is 5482124.

It is a happy number.

It is not a de Polignac number, because 4212845 - 2⁸ = 4212589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21287 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

Almost surely, 2^4212845 is an apocalyptic number.

It is an amenable number.

4212845 is a deficient number, since it is larger than the sum of its proper divisors (2173843).

4212845 is a wasteful number, since it uses less digits than its factorization.

4212845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 2560, while the sum is 26.

The square root of 4212845 is about 2052.5216198618. The cubic root of 4212845 is about 161.5071772954.

Adding to 4212845 its reverse (5482124), we get a palindrome (9694969).

The spelling of 4212845 in words is "four million, two hundred twelve thousand, eight hundred forty-five".