4212345 has 16 divisors (see below), whose sum is σ = 7136640. Its totient is φ = 2114304.

The previous prime is 4212343. The next prime is 4212353. The reversal of 4212345 is 5432124.

It is not a de Polignac number, because 4212345 - 2¹ = 4212343 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹⁴ + 1 + 2²² + 3 + 4⁵ + 5⁴ .

It is not an unprimeable number, because it can be changed into a prime (4212343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8005 + ... + 8514.

It is an arithmetic number, because the mean of its divisors is an integer number (446040).

Almost surely, 2^4212345 is an apocalyptic number.

It is an amenable number.

4212345 is a deficient number, since it is larger than the sum of its proper divisors (2924295).

4212345 is a wasteful number, since it uses less digits than its factorization.

4212345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16544.

The product of its digits is 960, while the sum is 21.

The square root of 4212345 is about 2052.3998148509. The cubic root of 4212345 is about 161.5007875688.

Adding to 4212345 its reverse (5432124), we get a palindrome (9644469).

The spelling of 4212345 in words is "four million, two hundred twelve thousand, three hundred forty-five".