4012445 has 8 divisors (see below), whose sum is σ = 4881336. Its totient is φ = 3165696.

The previous prime is 4012441. The next prime is 4012451. The reversal of 4012445 is 5442104.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 3892729 = 346^2 + 1973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012445 - 2² = 4012441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5132 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (610167).

Almost surely, 2^4012445 is an apocalyptic number.

It is an amenable number.

4012445 is a deficient number, since it is larger than the sum of its proper divisors (868891).

4012445 is a wasteful number, since it uses less digits than its factorization.

4012445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4012445 is about 2003.1088337881. The cubic root of 4012445 is about 158.9045614771.

Adding to 4012445 its reverse (5442104), we get a palindrome (9454549).

The spelling of 4012445 in words is "four million, twelve thousand, four hundred forty-five".